400054523775 has 48 divisors (see below), whose sum is σ = 669196418688. Its totient is φ = 210864528000.

The previous prime is 400054523773. The next prime is 400054523789. The reversal of 400054523775 is 577325450004.

It is not a de Polignac number, because 400054523775 - 2¹ = 400054523773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400054523773) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3319320 + ... + 3437730.

It is an arithmetic number, because the mean of its divisors is an integer number (13941592056).

Almost surely, 2^400054523775 is an apocalyptic number.

400054523775 is a deficient number, since it is larger than the sum of its proper divisors (269141894913).

400054523775 is a wasteful number, since it uses less digits than its factorization.

400054523775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118952 (or 118947 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 42.

Adding to 400054523775 its reverse (577325450004), we get a palindrome (977379973779).

The spelling of 400054523775 in words is "four hundred billion, fifty-four million, five hundred twenty-three thousand, seven hundred seventy-five".