40620603720 has 64 divisors (see below), whose sum is σ = 122638057920. Its totient is φ = 10763161344.

The previous prime is 40620603691. The next prime is 40620603781. The reversal of 40620603720 is 2730602604.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1059202 + ... + 1096881.

It is an arithmetic number, because the mean of its divisors is an integer number (1916219655).

Almost surely, 2^40620603720 is an apocalyptic number.

40620603720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40620603720 is an abundant number, since it is smaller than the sum of its proper divisors (82017454200).

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

40620603720 is a wasteful number, since it uses less digits than its factorization.

40620603720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156254 (or 2156250 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The spelling of 40620603720 in words is "forty billion, six hundred twenty million, six hundred three thousand, seven hundred twenty".