940537732464 has 140 divisors (see below), whose sum is σ = 2980569055032. Its totient is φ = 285011395200.

The previous prime is 940537732391. The next prime is 940537732549. The reversal of 940537732464 is 464237735049.

It is a happy number.

940537732464 is a `hidden beast` number, since 9 + 40 + 537 + 7 + 3 + 2 + 4 + 64 = 666.

It is a super-2 number, since 2×940537732464² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 940537732464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3536967 + ... + 3793574.

Almost surely, 2^940537732464 is an apocalyptic number.

It is an amenable number.

940537732464 is an abundant number, since it is smaller than the sum of its proper divisors (2040031322568).

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

940537732464 is a wasteful number, since it uses less digits than its factorization.

940537732464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7330578 (or 7330557 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 54.

The spelling of 940537732464 in words is "nine hundred forty billion, five hundred thirty-seven million, seven hundred thirty-two thousand, four hundred sixty-four".