801913491240 has 64 divisors (see below), whose sum is σ = 2464417085760. Its totient is φ = 208627898880.

The previous prime is 801913491187. The next prime is 801913491299. The reversal of 801913491240 is 42194319108.

It is a junction number, because it is equal to n+sod(n) for n = 801913491192 and 801913491201.

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, 81490354 + ... + 81500193.

It is an arithmetic number, because the mean of its divisors is an integer number (38506516965).

Almost surely, 2^801913491240 is an apocalyptic number.

It is an amenable number.

801913491240 is an abundant number, since it is smaller than the sum of its proper divisors (1662503594520).

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

801913491240 is a wasteful number, since it uses less digits than its factorization.

801913491240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162990602 (or 162990598 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 801913491240 in words is "eight hundred one billion, nine hundred thirteen million, four hundred ninety-one thousand, two hundred forty".