401213632 has 14 divisors (see below), whose sum is σ = 796158428. Its totient is φ = 200606784.

The previous prime is 401213623. The next prime is 401213677. The reversal of 401213632 is 236312104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3134418 + ... + 3134545.

Almost surely, 2^401213632 is an apocalyptic number.

It is an amenable number.

401213632 is a deficient number, since it is larger than the sum of its proper divisors (394944796).

401213632 is an equidigital number, since it uses as much as digits as its factorization.

401213632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268975 (or 6268965 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 401213632 is about 20030.3178207436. The cubic root of 401213632 is about 737.5507237735.

Adding to 401213632 its reverse (236312104), we get a palindrome (637525736).

The spelling of 401213632 in words is "four hundred one million, two hundred thirteen thousand, six hundred thirty-two".