807000440 has 32 divisors (see below), whose sum is σ = 1816560000. Its totient is φ = 322656384.

The previous prime is 807000427. The next prime is 807000497. The reversal of 807000440 is 44000708.

It is a congruent number.

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, 171641 + ... + 176279.

It is an arithmetic number, because the mean of its divisors is an integer number (56767500).

Almost surely, 2^807000440 is an apocalyptic number.

807000440 is the 23195-th pentagonal number.

It is an amenable number.

807000440 is an abundant number, since it is smaller than the sum of its proper divisors (1009559560).

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

807000440 is a wasteful number, since it uses less digits than its factorization.

807000440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8999 (or 8995 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 807000440 is about 28407.7531670493. The cubic root of 807000440 is about 931.0176704335.

The spelling of 807000440 in words is "eight hundred seven million, four hundred forty", and thus it is an aban number.