909049223142 has 32 divisors (see below), whose sum is σ = 2025736473600. Its totient is φ = 302172344424.

The previous prime is 909049223063. The next prime is 909049223143. The reversal of 909049223142 is 241322940909.

909049223142 is a `hidden beast` number, since 9 + 0 + 90 + 492 + 2 + 31 + 42 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (909049223143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23426638 + ... + 23465409.

It is an arithmetic number, because the mean of its divisors is an integer number (63304264800).

Almost surely, 2^909049223142 is an apocalyptic number.

909049223142 is an abundant number, since it is smaller than the sum of its proper divisors (1116687250458).

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

909049223142 is a wasteful number, since it uses less digits than its factorization.

909049223142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46892417 (or 46892411 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 909049223142 in words is "nine hundred nine billion, forty-nine million, two hundred twenty-three thousand, one hundred forty-two".