400633330253604 has 48 divisors (see below), whose sum is σ = 1097230021603968. Its totient is φ = 111372972115968.

The previous prime is 400633330253557. The next prime is 400633330253609. The reversal of 400633330253604 is 406352033336004.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (400633330253609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64451948349 + ... + 64451954564.

It is an arithmetic number, because the mean of its divisors is an integer number (22858958783416).

Almost surely, 2^{400633330253604} is an apocalyptic number.

It is an amenable number.

400633330253604 is an abundant number, since it is smaller than the sum of its proper divisors (696596691350364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400633330253604 is a wasteful number, since it uses less digits than its factorization.

400633330253604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128903902964 (or 128903902962 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 42.

Adding to 400633330253604 its reverse (406352033336004), we get a palindrome (806985363589608).

The spelling of 400633330253604 in words is "four hundred trillion, six hundred thirty-three billion, three hundred thirty million, two hundred fifty-three thousand, six hundred four".