40000037403672 has 48 divisors (see below), whose sum is σ = 108341626302000. Its totient is φ = 13332337596096.

The previous prime is 40000037403637. The next prime is 40000037403691. The reversal of 40000037403672 is 27630473000004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 20045172 + ... + 21950147.

It is an arithmetic number, because the mean of its divisors is an integer number (2257117214625).

Almost surely, 2^{40000037403672} is an apocalyptic number.

It is an amenable number.

40000037403672 is an abundant number, since it is smaller than the sum of its proper divisors (68341588898328).

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

40000037403672 is a wasteful number, since it uses less digits than its factorization.

40000037403672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42008560 (or 42008553 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The spelling of 40000037403672 in words is "forty trillion, thirty-seven million, four hundred three thousand, six hundred seventy-two".