40131772054757 has 6 divisors (see below), whose sum is σ = 40800455172594. Its totient is φ = 39473874148560.

The previous prime is 40131772054721. The next prime is 40131772054807. The reversal of 40131772054757 is 75745027713104.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 810457264516 + 39321314790241 = 900254^2 + 6270671^2 .

It is not a de Polignac number, because 40131772054757 - 2¹² = 40131772050661 is a prime.

It is a super-2 number, since 2×40131772054757² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40131772054699 and 40131772054708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40131772054057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5392602038 + ... + 5392609479.

It is an arithmetic number, because the mean of its divisors is an integer number (6800075862099).

Almost surely, 2^{40131772054757} is an apocalyptic number.

It is an amenable number.

40131772054757 is a deficient number, since it is larger than the sum of its proper divisors (668683117837).

40131772054757 is an equidigital number, since it uses as much as digits as its factorization.

40131772054757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10785211639 (or 10785211578 counting only the distinct ones).

The product of its (nonzero) digits is 5762400, while the sum is 53.

The spelling of 40131772054757 in words is "forty trillion, one hundred thirty-one billion, seven hundred seventy-two million, fifty-four thousand, seven hundred fifty-seven".