401204436 has 12 divisors (see below), whose sum is σ = 936143712. Its totient is φ = 133734808.

The previous prime is 401204407. The next prime is 401204459. The reversal of 401204436 is 634402104.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16716840 + ... + 16716863.

It is an arithmetic number, because the mean of its divisors is an integer number (78011976).

Almost surely, 2^401204436 is an apocalyptic number.

It is an amenable number.

401204436 is an abundant number, since it is smaller than the sum of its proper divisors (534939276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401204436 is a wasteful number, since it uses less digits than its factorization.

401204436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33433710 (or 33433708 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 401204436 is about 20030.0882674041. The cubic root of 401204436 is about 737.5450887305.

The spelling of 401204436 in words is "four hundred one million, two hundred four thousand, four hundred thirty-six".