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2669055480 = 233257213103113
BaseRepresentation
bin1001111100010110…
…1000110111111000
320220000022001210200
42133011220313320
520431234233410
61120503042200
7123066411600
oct23705506770
96800261720
102669055480
11114a680983
12625a40360
13336c70890
141b4699c00
151094c13c0
hex9f168df8

2669055480 has 576 divisors, whose sum is σ = 11069472960. Its totient is φ = 552738816.

The previous prime is 2669055409. The next prime is 2669055481. The reversal of 2669055480 is 845509662.

2669055480 is a `hidden beast` number, since 2 + 6 + 6 + 90 + 554 + 8 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2669055481) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 23619904 + ... + 23620016.

It is an arithmetic number, because the mean of its divisors is an integer number (19217835).

Almost surely, 22669055480 is an apocalyptic number.

2669055480 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 2669055480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5534736480).

2669055480 is an abundant number, since it is smaller than the sum of its proper divisors (8400417480).

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

2669055480 is a wasteful number, since it uses less digits than its factorization.

2669055480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 2669055480 is about 51662.9023574944. The cubic root of 2669055480 is about 1387.1365027827.

The spelling of 2669055480 in words is "two billion, six hundred sixty-nine million, fifty-five thousand, four hundred eighty".