40215912180 has 48 divisors (see below), whose sum is σ = 112763495040. Its totient is φ = 10709106048.

The previous prime is 40215912179. The next prime is 40215912193. The reversal of 40215912180 is 8121951204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430144 + ... + 515223.

It is an arithmetic number, because the mean of its divisors is an integer number (2349239480).

Almost surely, 2^40215912180 is an apocalyptic number.

It is an amenable number.

40215912180 is an abundant number, since it is smaller than the sum of its proper divisors (72547582860).

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

40215912180 is a wasteful number, since it uses less digits than its factorization.

40215912180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946088 (or 946086 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The spelling of 40215912180 in words is "forty billion, two hundred fifteen million, nine hundred twelve thousand, one hundred eighty".