407740745666136 has 32 divisors (see below), whose sum is σ = 1019434423573440. Its totient is φ = 135902573967648.

The previous prime is 407740745666057. The next prime is 407740745666213. The reversal of 407740745666136 is 631666547047704.

It is a congruent number.

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, 687692566 + ... + 688285221.

It is an arithmetic number, because the mean of its divisors is an integer number (31857325736670).

Almost surely, 2^{407740745666136} is an apocalyptic number.

It is an amenable number.

407740745666136 is an abundant number, since it is smaller than the sum of its proper divisors (611693677907304).

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

407740745666136 is a wasteful number, since it uses less digits than its factorization.

407740745666136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375990143 (or 1375990139 counting only the distinct ones).

The product of its (nonzero) digits is 426746880, while the sum is 66.

The spelling of 407740745666136 in words is "four hundred seven trillion, seven hundred forty billion, seven hundred forty-five million, six hundred sixty-six thousand, one hundred thirty-six".