40537436620 has 48 divisors (see below), whose sum is σ = 85514204160. Its totient is φ = 16141622976.

The previous prime is 40537436609. The next prime is 40537436651. The reversal of 40537436620 is 2663473504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13164241 + ... + 13167319.

It is an arithmetic number, because the mean of its divisors is an integer number (1781545920).

Almost surely, 2^40537436620 is an apocalyptic number.

It is an amenable number.

40537436620 is an abundant number, since it is smaller than the sum of its proper divisors (44976767540).

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

40537436620 is a wasteful number, since it uses less digits than its factorization.

40537436620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5854 (or 5852 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 40.

The spelling of 40537436620 in words is "forty billion, five hundred thirty-seven million, four hundred thirty-six thousand, six hundred twenty".