40161770725740 has 24 divisors (see below), whose sum is σ = 112452958032240. Its totient is φ = 10709805526848.

The previous prime is 40161770725679. The next prime is 40161770725759. The reversal of 40161770725740 is 4752707716104.

It is a super-2 number, since 2×40161770725740² (a number of 28 digits) contains 22 as substring.

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, 334681422655 + ... + 334681422774.

It is an arithmetic number, because the mean of its divisors is an integer number (4685539918010).

Almost surely, 2^{40161770725740} is an apocalyptic number.

It is an amenable number.

40161770725740 is an abundant number, since it is smaller than the sum of its proper divisors (72291187306500).

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

40161770725740 is a wasteful number, since it uses less digits than its factorization.

40161770725740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669362845441 (or 669362845439 counting only the distinct ones).

The product of its (nonzero) digits is 2304960, while the sum is 51.

The spelling of 40161770725740 in words is "forty trillion, one hundred sixty-one billion, seven hundred seventy million, seven hundred twenty-five thousand, seven hundred forty".