402204624 has 40 divisors (see below), whose sum is σ = 1049328672. Its totient is φ = 132739200.

The previous prime is 402204623. The next prime is 402204643. The reversal of 402204624 is 426402204.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 402204594 and 402204603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402204623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36634 + ... + 46329.

Almost surely, 2^402204624 is an apocalyptic number.

It is an amenable number.

402204624 is an abundant number, since it is smaller than the sum of its proper divisors (647124048).

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

402204624 is a wasteful number, since it uses less digits than its factorization.

402204624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83075 (or 83069 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 402204624 is about 20055.0398653306. The cubic root of 402204624 is about 738.1574711158.

Adding to 402204624 its reverse (426402204), we get a palindrome (828606828).

It can be divided in two parts, 40220 and 4624, that added together give a palindrome (44844).

The spelling of 402204624 in words is "four hundred two million, two hundred four thousand, six hundred twenty-four".