4432631398 has 16 divisors (see below), whose sum is σ = 7165954656. Its totient is φ = 2044244160.

The previous prime is 4432631389. The next prime is 4432631419. The reversal of 4432631398 is 8931362344.

It is a super-2 number, since 2×4432631398² = 39296442221070868808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31543 + ... + 99298.

It is an arithmetic number, because the mean of its divisors is an integer number (447872166).

Almost surely, 2^4432631398 is an apocalyptic number.

4432631398 is a deficient number, since it is larger than the sum of its proper divisors (2733323258).

4432631398 is a wasteful number, since it uses less digits than its factorization.

4432631398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132159.

The product of its digits is 373248, while the sum is 43.

The square root of 4432631398 is about 66578.0098681239. The cubic root of 4432631398 is about 1642.6834165074.

The spelling of 4432631398 in words is "four billion, four hundred thirty-two million, six hundred thirty-one thousand, three hundred ninety-eight".