40667544736 has 48 divisors (see below), whose sum is σ = 98540596224. Its totient is φ = 16088258304.

The previous prime is 40667544727. The next prime is 40667544751. The reversal of 40667544736 is 63744576604.

It is a super-2 number, since 2×40667544736² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 6979840 + ... + 6985663.

It is an arithmetic number, because the mean of its divisors is an integer number (2052929088).

Almost surely, 2^40667544736 is an apocalyptic number.

It is an amenable number.

40667544736 is an abundant number, since it is smaller than the sum of its proper divisors (57873051488).

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

40667544736 is a wasteful number, since it uses less digits than its factorization.

40667544736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13965533 (or 13965525 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 52.

The spelling of 40667544736 in words is "forty billion, six hundred sixty-seven million, five hundred forty-four thousand, seven hundred thirty-six".