40437680612 has 36 divisors (see below), whose sum is σ = 82445888700. Its totient is φ = 17303840064.

The previous prime is 40437680609. The next prime is 40437680651. The reversal of 40437680612 is 21608673404.

It can be written as a sum of positive squares in 2 ways, for example, as 10548111616 + 29889568996 = 102704^2 + 172886^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40437680612.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29987 + ... + 285962.

It is an arithmetic number, because the mean of its divisors is an integer number (2290163575).

Almost surely, 2^40437680612 is an apocalyptic number.

It is an amenable number.

40437680612 is an abundant number, since it is smaller than the sum of its proper divisors (42008208088).

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

40437680612 is a wasteful number, since it uses less digits than its factorization.

40437680612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316620 (or 316611 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 40437680612 in words is "forty billion, four hundred thirty-seven million, six hundred eighty thousand, six hundred twelve".