7640238901700 has 72 divisors (see below), whose sum is σ = 16686459998208. Its totient is φ = 3036402673920.

The previous prime is 7640238901667. The next prime is 7640238901709. The reversal of 7640238901700 is 71098320467.

It is not an unprimeable number, because it can be changed into a prime (7640238901709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10433789 + ... + 11142011.

It is an arithmetic number, because the mean of its divisors is an integer number (231756388864).

Almost surely, 2^{7640238901700} is an apocalyptic number.

It is an amenable number.

7640238901700 is an abundant number, since it is smaller than the sum of its proper divisors (9046221096508).

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

7640238901700 is a wasteful number, since it uses less digits than its factorization.

7640238901700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708933 (or 708926 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 7640238901700 in words is "seven trillion, six hundred forty billion, two hundred thirty-eight million, nine hundred one thousand, seven hundred".