4757645640 has 256 divisors, whose sum is σ = 16174080000. Its totient is φ = 1109145600.

The previous prime is 4757645639. The next prime is 4757645693. The reversal of 4757645640 is 465467574.

It is a super-2 number, since 2×4757645640² = 45270384071622019200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4757645640.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9534111 + ... + 9534609.

It is an arithmetic number, because the mean of its divisors is an integer number (63180000).

Almost surely, 2^4757645640 is an apocalyptic number.

4757645640 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 4757645640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8087040000).

4757645640 is an abundant number, since it is smaller than the sum of its proper divisors (11416434360).

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

4757645640 is a wasteful number, since it uses less digits than its factorization.

4757645640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 48.

The square root of 4757645640 is about 68975.6887606061. The cubic root of 4757645640 is about 1681.8891305784.

The spelling of 4757645640 in words is "four billion, seven hundred fifty-seven million, six hundred forty-five thousand, six hundred forty".