40356432633220 has 24 divisors (see below), whose sum is σ = 92452918396608. Its totient is φ = 14675066412000.

The previous prime is 40356432633169. The next prime is 40356432633247. The reversal of 40356432633220 is 2233623465304.

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, 91719164856 + ... + 91719165295.

It is an arithmetic number, because the mean of its divisors is an integer number (3852204933192).

Almost surely, 2^{40356432633220} is an apocalyptic number.

It is an amenable number.

40356432633220 is an abundant number, since it is smaller than the sum of its proper divisors (52096485763388).

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

40356432633220 is a wasteful number, since it uses less digits than its factorization.

40356432633220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183438330171 (or 183438330169 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 43.

The spelling of 40356432633220 in words is "forty trillion, three hundred fifty-six billion, four hundred thirty-two million, six hundred thirty-three thousand, two hundred twenty".