424431430402 has 32 divisors (see below), whose sum is σ = 746849714688. Its totient is φ = 177125234496.

The previous prime is 424431430391. The next prime is 424431430433. The reversal of 424431430402 is 204034134424.

It is a super-2 number, since 2×424431430402² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1507513 + ... + 1766764.

It is an arithmetic number, because the mean of its divisors is an integer number (23339053584).

Almost surely, 2^424431430402 is an apocalyptic number.

424431430402 is a deficient number, since it is larger than the sum of its proper divisors (322418284286).

424431430402 is a wasteful number, since it uses less digits than its factorization.

424431430402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3274530.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 424431430402 its reverse (204034134424), we get a palindrome (628465564826).

The spelling of 424431430402 in words is "four hundred twenty-four billion, four hundred thirty-one million, four hundred thirty thousand, four hundred two".