402631301604 has 192 divisors, whose sum is σ = 1155454433280. Its totient is φ = 106502584320.

The previous prime is 402631301599. The next prime is 402631301629. The reversal of 402631301604 is 406103136204.

It is a super-2 number, since 2×402631301604² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77590642 + ... + 77595830.

It is an arithmetic number, because the mean of its divisors is an integer number (6017991840).

Almost surely, 2^402631301604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402631301604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577727216640).

402631301604 is an abundant number, since it is smaller than the sum of its proper divisors (752823131676).

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

402631301604 is a wasteful number, since it uses less digits than its factorization.

402631301604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6098 (or 6096 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 402631301604 its reverse (406103136204), we get a palindrome (808734437808).

The spelling of 402631301604 in words is "four hundred two billion, six hundred thirty-one million, three hundred one thousand, six hundred four".