40022090172 has 48 divisors (see below), whose sum is σ = 103786519200. Its totient is φ = 13337412480.

The previous prime is 40022090167. The next prime is 40022090189. The reversal of 40022090172 is 27109022004.

40022090172 is a `hidden beast` number, since 400 + 2 + 2 + 0 + 90 + 172 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 416704 + ... + 503672.

It is an arithmetic number, because the mean of its divisors is an integer number (2162219150).

Almost surely, 2^40022090172 is an apocalyptic number.

It is an amenable number.

40022090172 is an abundant number, since it is smaller than the sum of its proper divisors (63764429028).

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

40022090172 is a wasteful number, since it uses less digits than its factorization.

40022090172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91243 (or 91235 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 40022090172 in words is "forty billion, twenty-two million, ninety thousand, one hundred seventy-two".