402012224104 has 32 divisors (see below), whose sum is σ = 756438217920. Its totient is φ = 200295732096.

The previous prime is 402012224101. The next prime is 402012224171. The reversal of 402012224104 is 401422210204.

It is a super-2 number, since 2×402012224104² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (402012224101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9663252 + ... + 9704764.

It is an arithmetic number, because the mean of its divisors is an integer number (23638694310).

Almost surely, 2^402012224104 is an apocalyptic number.

It is an amenable number.

402012224104 is a deficient number, since it is larger than the sum of its proper divisors (354425993816).

402012224104 is a wasteful number, since it uses less digits than its factorization.

402012224104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45769 (or 45765 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 402012224104 its reverse (401422210204), we get a palindrome (803434434308).

The spelling of 402012224104 in words is "four hundred two billion, twelve million, two hundred twenty-four thousand, one hundred four".