40637028706 has 16 divisors (see below), whose sum is σ = 61434236160. Its totient is φ = 20159017840.

The previous prime is 40637028673. The next prime is 40637028713. The reversal of 40637028706 is 60782073604.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1420815 + ... + 1449133.

It is an arithmetic number, because the mean of its divisors is an integer number (3839639760).

Almost surely, 2^40637028706 is an apocalyptic number.

40637028706 is a deficient number, since it is larger than the sum of its proper divisors (20797207454).

40637028706 is a wasteful number, since it uses less digits than its factorization.

40637028706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33929.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 40637028706 in words is "forty billion, six hundred thirty-seven million, twenty-eight thousand, seven hundred six".