630000344402 has 64 divisors (see below), whose sum is σ = 1123563571200. Its totient is φ = 261169634880.

The previous prime is 630000344399. The next prime is 630000344459. The reversal of 630000344402 is 204443000036.

It is a super-2 number, since 2×630000344402² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11570999 + ... + 11625317.

It is an arithmetic number, because the mean of its divisors is an integer number (17555680800).

Almost surely, 2^630000344402 is an apocalyptic number.

630000344402 is a deficient number, since it is larger than the sum of its proper divisors (493563226798).

630000344402 is a wasteful number, since it uses less digits than its factorization.

630000344402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54831.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 630000344402 its reverse (204443000036), we get a palindrome (834443344438).

The spelling of 630000344402 in words is "six hundred thirty billion, three hundred forty-four thousand, four hundred two".