40131760061537 has 4 divisors (see below), whose sum is σ = 40888963081620. Its totient is φ = 39374557041456.

The previous prime is 40131760061527. The next prime is 40131760061551. The reversal of 40131760061537 is 73516006713104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24071671751521 + 16060088310016 = 4906289^2 + 4007504^2 .

It is a cyclic number.

It is not a de Polignac number, because 40131760061537 - 2⁶ = 40131760061473 is a prime.

It is a super-2 number, since 2×40131760061537² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40131760061527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378601509962 + ... + 378601510067.

It is an arithmetic number, because the mean of its divisors is an integer number (10222240770405).

Almost surely, 2^{40131760061537} is an apocalyptic number.

It is an amenable number.

40131760061537 is a deficient number, since it is larger than the sum of its proper divisors (757203020083).

40131760061537 is an equidigital number, since it uses as much as digits as its factorization.

40131760061537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757203020082.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 40131760061537 in words is "forty trillion, one hundred thirty-one billion, seven hundred sixty million, sixty-one thousand, five hundred thirty-seven".