40106560815664 has 60 divisors (see below), whose sum is σ = 90560317230048. Its totient is φ = 17156754115200.

The previous prime is 40106560815661. The next prime is 40106560815749. The reversal of 40106560815664 is 46651806560104.

It is not an unprimeable number, because it can be changed into a prime (40106560815661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46855272 + ... + 47703559.

Almost surely, 2^{40106560815664} is an apocalyptic number.

It is an amenable number.

40106560815664 is an abundant number, since it is smaller than the sum of its proper divisors (50453756414384).

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

40106560815664 is a wasteful number, since it uses less digits than its factorization.

40106560815664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94559394 (or 94559381 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 40106560815664 in words is "forty trillion, one hundred six billion, five hundred sixty million, eight hundred fifteen thousand, six hundred sixty-four".