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2442741074640 = 2432523541272659
BaseRepresentation
bin100011100010111110101…
…101101100101011010000
322122112010211021202222100
4203202332231230223100
5310010213203342030
65110102454440400
7341324254355106
oct43427655545320
98575124252870
102442741074640
11861a62722169
12335505063100
13149470ac0409
148632d2a5c76
154381bd58360
hex238beb6cad0

2442741074640 has 240 divisors, whose sum is σ = 8576068775040. Its totient is φ = 621921991680.

The previous prime is 2442741074593. The next prime is 2442741074659. The reversal of 2442741074640 is 464701472442.

2442741074640 is a `hidden beast` number, since 2 + 442 + 74 + 10 + 74 + 64 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×24427410746402 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8822631 + ... + 9095289.

It is an arithmetic number, because the mean of its divisors is an integer number (35733619896).

Almost surely, 22442741074640 is an apocalyptic number.

2442741074640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2442741074640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4288034387520).

2442741074640 is an abundant number, since it is smaller than the sum of its proper divisors (6133327700400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2442741074640 is a wasteful number, since it uses less digits than its factorization.

2442741074640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273242 (or 273233 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 45.

The spelling of 2442741074640 in words is "two trillion, four hundred forty-two billion, seven hundred forty-one million, seventy-four thousand, six hundred forty".