400052557759 has 2 divisors, whose sum is σ = 400052557760. Its totient is φ = 400052557758.

The previous prime is 400052557703. The next prime is 400052557769. The reversal of 400052557759 is 957755250004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400052557759 - 2³⁷ = 262613604287 is a prime.

It is a super-2 number, since 2×400052557759² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400052557769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200026278879 + 200026278880.

It is an arithmetic number, because the mean of its divisors is an integer number (200026278880).

Almost surely, 2^400052557759 is an apocalyptic number.

400052557759 is a deficient number, since it is larger than the sum of its proper divisors (1).

400052557759 is an equidigital number, since it uses as much as digits as its factorization.

400052557759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2205000, while the sum is 49.

The spelling of 400052557759 in words is "four hundred billion, fifty-two million, five hundred fifty-seven thousand, seven hundred fifty-nine".