40020764560746 has 32 divisors (see below), whose sum is σ = 80340490949760. Its totient is φ = 13290429623616.

The previous prime is 40020764560739. The next prime is 40020764560781. The reversal of 40020764560746 is 64706546702004.

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, 108675640 + ... + 109043276.

It is an arithmetic number, because the mean of its divisors is an integer number (2510640342180).

Almost surely, 2^{40020764560746} is an apocalyptic number.

40020764560746 is an abundant number, since it is smaller than the sum of its proper divisors (40319726389014).

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

40020764560746 is a wasteful number, since it uses less digits than its factorization.

40020764560746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435358.

The product of its (nonzero) digits is 6773760, while the sum is 51.

The spelling of 40020764560746 in words is "forty trillion, twenty billion, seven hundred sixty-four million, five hundred sixty thousand, seven hundred forty-six".