400501434325 has 24 divisors (see below), whose sum is σ = 497975940000. Its totient is φ = 319528695360.

The previous prime is 400501434197. The next prime is 400501434329. The reversal of 400501434325 is 523434105004.

It is not a de Polignac number, because 400501434325 - 2⁷ = 400501434197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400501434329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14038926 + ... + 14067424.

It is an arithmetic number, because the mean of its divisors is an integer number (20748997500).

Almost surely, 2^400501434325 is an apocalyptic number.

It is an amenable number.

400501434325 is a deficient number, since it is larger than the sum of its proper divisors (97474505675).

400501434325 is a wasteful number, since it uses less digits than its factorization.

400501434325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30021 (or 30016 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 400501434325 its reverse (523434105004), we get a palindrome (923935539329).

The spelling of 400501434325 in words is "four hundred billion, five hundred one million, four hundred thirty-four thousand, three hundred twenty-five".