101492087408 has 20 divisors (see below), whose sum is σ = 203421641640. Its totient is φ = 48996179904.

The previous prime is 101492087357. The next prime is 101492087423. The reversal of 101492087408 is 804780294101.

It is a super-2 number, since 2×101492087408² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109366010 + ... + 109366937.

It is an arithmetic number, because the mean of its divisors is an integer number (10171082082).

Almost surely, 2^101492087408 is an apocalyptic number.

It is an amenable number.

101492087408 is an abundant number, since it is smaller than the sum of its proper divisors (101929554232).

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

101492087408 is a wasteful number, since it uses less digits than its factorization.

101492087408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218732984 (or 218732978 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 101492087408 in words is "one hundred one billion, four hundred ninety-two million, eighty-seven thousand, four hundred eight".