40685703907220 has 48 divisors (see below), whose sum is σ = 89157882739968. Its totient is φ = 15566158840320.

The previous prime is 40685703907217. The next prime is 40685703907267. The reversal of 40685703907220 is 2270930758604.

It is a congruent number.

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, 11721185 + ... + 14790455.

It is an arithmetic number, because the mean of its divisors is an integer number (1857455890416).

Almost surely, 2^{40685703907220} is an apocalyptic number.

It is an amenable number.

40685703907220 is an abundant number, since it is smaller than the sum of its proper divisors (48472178832748).

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

40685703907220 is a wasteful number, since it uses less digits than its factorization.

40685703907220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098120 (or 3098118 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 40685703907220 in words is "forty trillion, six hundred eighty-five billion, seven hundred three million, nine hundred seven thousand, two hundred twenty".