40371680364 has 24 divisors (see below), whose sum is σ = 94453146480. Its totient is φ = 13421146944.

The previous prime is 40371680351. The next prime is 40371680411. The reversal of 40371680364 is 46308617304.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 4505319 + ... + 4514270.

It is an arithmetic number, because the mean of its divisors is an integer number (3935547770).

Almost surely, 2^40371680364 is an apocalyptic number.

It is an amenable number.

40371680364 is an abundant number, since it is smaller than the sum of its proper divisors (54081466116).

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

40371680364 is a wasteful number, since it uses less digits than its factorization.

40371680364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9019969 (or 9019967 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 40371680364 in words is "forty billion, three hundred seventy-one million, six hundred eighty thousand, three hundred sixty-four".