402634436204 has 576 divisors, whose sum is σ = 1063073894400. Its totient is φ = 129266565120.

The previous prime is 402634436201. The next prime is 402634436227.

402634436204 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×402634436204² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (402634436201) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1140607292 + ... + 1140607644.

It is an arithmetic number, because the mean of its divisors is an integer number (1845614400).

Almost surely, 2^402634436204 is an apocalyptic number.

402634436204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402634436204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531536947200).

402634436204 is an abundant number, since it is smaller than the sum of its proper divisors (660439458196).

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

402634436204 is a wasteful number, since it uses less digits than its factorization.

402634436204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 38.

It can be divided in two parts, 402634 and 436204, that added together give a palindrome (838838).

The spelling of 402634436204 in words is "four hundred two billion, six hundred thirty-four million, four hundred thirty-six thousand, two hundred four".