9940415268 has 48 divisors (see below), whose sum is σ = 26512922240. Its totient is φ = 2839567104.

The previous prime is 9940415249. The next prime is 9940415291. The reversal of 9940415268 is 8625140499.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646680 + ... + 661872.

Almost surely, 2^9940415268 is an apocalyptic number.

It is an amenable number.

9940415268 is an abundant number, since it is smaller than the sum of its proper divisors (16572506972).

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

9940415268 is a wasteful number, since it uses less digits than its factorization.

9940415268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22996 (or 22994 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 9940415268 is about 99701.6312203567. The cubic root of 9940415268 is about 2150.1471158031.

The spelling of 9940415268 in words is "nine billion, nine hundred forty million, four hundred fifteen thousand, two hundred sixty-eight".