76867440320040 has 32 divisors (see below), whose sum is σ = 230602320960480. Its totient is φ = 20497984085312.

The previous prime is 76867440320039. The next prime is 76867440320071. The reversal of 76867440320040 is 4002304476867.

It is a super-2 number, since 2×76867440320040² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320281001214 + ... + 320281001453.

It is an arithmetic number, because the mean of its divisors is an integer number (7206322530015).

Almost surely, 2^{76867440320040} is an apocalyptic number.

It is an amenable number.

76867440320040 is an abundant number, since it is smaller than the sum of its proper divisors (153734880640440).

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

76867440320040 is a wasteful number, since it uses less digits than its factorization.

76867440320040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640562002681 (or 640562002677 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 51.

The spelling of 76867440320040 in words is "seventy-six trillion, eight hundred sixty-seven billion, four hundred forty million, three hundred twenty thousand, forty".