940991172 has 48 divisors (see below), whose sum is σ = 2397609984. Its totient is φ = 284868000.

The previous prime is 940991153. The next prime is 940991197. The reversal of 940991172 is 271199049.

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, 159597 + ... + 165387.

It is an arithmetic number, because the mean of its divisors is an integer number (49950208).

Almost surely, 2^940991172 is an apocalyptic number.

It is an amenable number.

940991172 is an abundant number, since it is smaller than the sum of its proper divisors (1456618812).

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

940991172 is a wasteful number, since it uses less digits than its factorization.

940991172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7040 (or 7038 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 42.

The square root of 940991172 is about 30675.5794077308. The cubic root of 940991172 is about 979.9302921402.

The spelling of 940991172 in words is "nine hundred forty million, nine hundred ninety-one thousand, one hundred seventy-two".