402004031202 has 24 divisors (see below), whose sum is σ = 878999644380. Its totient is φ = 132771972960.

The previous prime is 402004031183. The next prime is 402004031257. The reversal of 402004031202 is 202130400204.

402004031202 is a `hidden beast` number, since 40 + 20 + 0 + 403 + 1 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 378826709121 + 23177322081 = 615489^2 + 152241^2 .

It is a super-2 number, since 2×402004031202² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102445549 + ... + 102449472.

Almost surely, 2^402004031202 is an apocalyptic number.

402004031202 is an abundant number, since it is smaller than the sum of its proper divisors (476995613178).

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

402004031202 is a wasteful number, since it uses less digits than its factorization.

402004031202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204895138 (or 204895135 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 402004031202 its reverse (202130400204), we get a palindrome (604134431406).

The spelling of 402004031202 in words is "four hundred two billion, four million, thirty-one thousand, two hundred two".