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4942315840 = 265711792539
BaseRepresentation
bin1001001101001010…
…11100000101000000
3110202102211122202211
410212211130011000
540110213101330
62134230551504
7233321664040
oct44645340500
913672748684
104942315840
112106899050
12b5b208594
13609c12a57
1434c567720
151ddd5ed2a
hex12695c140

4942315840 has 224 divisors, whose sum is σ = 14864486400. Its totient is φ = 1520363520.

The previous prime is 4942315817. The next prime is 4942315841. The reversal of 4942315840 is 485132494.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 4942315793 and 4942315802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4942315841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1945291 + ... + 1947829.

Almost surely, 24942315840 is an apocalyptic number.

4942315840 is a gapful number since it is divisible by the number (40) 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 4942315840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7432243200).

4942315840 is an abundant number, since it is smaller than the sum of its proper divisors (9922170560).

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

4942315840 is a wasteful number, since it uses less digits than its factorization.

4942315840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653 (or 2643 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 4942315840 is about 70301.6062405405. The cubic root of 4942315840 is about 1703.3745932393.

The spelling of 4942315840 in words is "four billion, nine hundred forty-two million, three hundred fifteen thousand, eight hundred forty".