40122533070172 has 24 divisors (see below), whose sum is σ = 80247552086016. Its totient is φ = 17194838613168.

The previous prime is 40122533070157. The next prime is 40122533070239. The reversal of 40122533070172 is 27107033522104.

It is a super-2 number, since 2×40122533070172² (a number of 28 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 7 ways as a sum of consecutive naturals, for example, 21275308 + ... + 23084275.

It is an arithmetic number, because the mean of its divisors is an integer number (3343648003584).

Almost surely, 2^{40122533070172} is an apocalyptic number.

It is an amenable number.

40122533070172 is an abundant number, since it is smaller than the sum of its proper divisors (40125019015844).

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

40122533070172 is a wasteful number, since it uses less digits than its factorization.

40122533070172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44391897 (or 44391895 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

Adding to 40122533070172 its reverse (27107033522104), we get a palindrome (67229566592276).

The spelling of 40122533070172 in words is "forty trillion, one hundred twenty-two billion, five hundred thirty-three million, seventy thousand, one hundred seventy-two".