9715452640 has 24 divisors (see below), whose sum is σ = 22952757240. Its totient is φ = 3886180992.

The previous prime is 9715452623. The next prime is 9715452679. The reversal of 9715452640 is 462545179.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30360630 + ... + 30360949.

It is an arithmetic number, because the mean of its divisors is an integer number (956364885).

Almost surely, 2^9715452640 is an apocalyptic number.

It is an amenable number.

9715452640 is an abundant number, since it is smaller than the sum of its proper divisors (13237304600).

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

9715452640 is a wasteful number, since it uses less digits than its factorization.

9715452640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60721594 (or 60721586 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 9715452640 is about 98566.9956932847. The cubic root of 9715452640 is about 2133.8031226668.

The spelling of 9715452640 in words is "nine billion, seven hundred fifteen million, four hundred fifty-two thousand, six hundred forty".