45400240057 has 4 divisors (see below), whose sum is σ = 45974926720. Its totient is φ = 44825553396.

The previous prime is 45400240043. The next prime is 45400240079. The reversal of 45400240057 is 75004200454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45400240057 - 2¹⁹ = 45399715769 is a prime.

It is a super-2 number, since 2×45400240057² (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 (45400240037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287343213 + ... + 287343370.

It is an arithmetic number, because the mean of its divisors is an integer number (11493731680).

Almost surely, 2^45400240057 is an apocalyptic number.

It is an amenable number.

45400240057 is a deficient number, since it is larger than the sum of its proper divisors (574686663).

45400240057 is an equidigital number, since it uses as much as digits as its factorization.

45400240057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574686662.

The product of its (nonzero) digits is 22400, while the sum is 31.

The spelling of 45400240057 in words is "forty-five billion, four hundred million, two hundred forty thousand, fifty-seven".