40054122577 has 6 divisors (see below), whose sum is σ = 46593571218. Its totient is φ = 34332105024.

The previous prime is 40054122553. The next prime is 40054122599. The reversal of 40054122577 is 77522145004.

It can be written as a sum of positive squares in only one way, i.e., 37956390976 + 2097731601 = 194824^2 + 45801^2 .

It is a de Polignac number, because none of the positive numbers 2^k-40054122577 is a prime.

It is a super-2 number, since 2×40054122577² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40054122527) 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, 408715488 + ... + 408715585.

It is an arithmetic number, because the mean of its divisors is an integer number (7765595203).

Almost surely, 2^40054122577 is an apocalyptic number.

It is an amenable number.

40054122577 is a deficient number, since it is larger than the sum of its proper divisors (6539448641).

40054122577 is an equidigital number, since it uses as much as digits as its factorization.

40054122577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817431087 (or 817431080 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 37.

The spelling of 40054122577 in words is "forty billion, fifty-four million, one hundred twenty-two thousand, five hundred seventy-seven".