401286232 has 16 divisors (see below), whose sum is σ = 792012600. Its totient is φ = 190082880.

The previous prime is 401286217. The next prime is 401286233. The reversal of 401286232 is 232682104.

It is a super-2 number, since 2×401286232² = 322061279985515648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401286232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401286233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1319869 + ... + 1320172.

Almost surely, 2^401286232 is an apocalyptic number.

It is an amenable number.

401286232 is a deficient number, since it is larger than the sum of its proper divisors (390726368).

401286232 is a wasteful number, since it uses less digits than its factorization.

401286232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640066 (or 2640062 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 401286232 is about 20032.1299915910. The cubic root of 401286232 is about 737.5952079326.

It can be divided in two parts, 40128 and 6232, that added together give a triangular number (46360 = T₃₀₄).

The spelling of 401286232 in words is "four hundred one million, two hundred eighty-six thousand, two hundred thirty-two".