40031775334657 has 4 divisors (see below), whose sum is σ = 40093079738580. Its totient is φ = 39970470930736.

The previous prime is 40031775334531. The next prime is 40031775334703. The reversal of 40031775334657 is 75643357713004.

It is a happy number.

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 4041422688241 + 35990352646416 = 2010329^2 + 5999196^2 .

It is a cyclic number.

It is not a de Polignac number, because 40031775334657 - 2³⁵ = 39997415596289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40031775334598 and 40031775334607.

It is not an unprimeable number, because it can be changed into a prime (40031775331657) 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, 30652200982 + ... + 30652202287.

It is an arithmetic number, because the mean of its divisors is an integer number (10023269934645).

Almost surely, 2^{40031775334657} is an apocalyptic number.

It is an amenable number.

40031775334657 is a deficient number, since it is larger than the sum of its proper divisors (61304403923).

40031775334657 is an equidigital number, since it uses as much as digits as its factorization.

40031775334657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61304403922.

The product of its (nonzero) digits is 22226400, while the sum is 55.

The spelling of 40031775334657 in words is "forty trillion, thirty-one billion, seven hundred seventy-five million, three hundred thirty-four thousand, six hundred fifty-seven".