401216036 has 48 divisors (see below), whose sum is σ = 774090240. Its totient is φ = 180835200.

The previous prime is 401215967. The next prime is 401216041. The reversal of 401216036 is 630612104.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 414425 + ... + 415391.

It is an arithmetic number, because the mean of its divisors is an integer number (16126880).

Almost surely, 2^401216036 is an apocalyptic number.

It is an amenable number.

401216036 is a deficient number, since it is larger than the sum of its proper divisors (372874204).

401216036 is a wasteful number, since it uses less digits than its factorization.

401216036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 401216036 is about 20030.3778296866. The cubic root of 401216036 is about 737.5521968611.

The spelling of 401216036 in words is "four hundred one million, two hundred sixteen thousand, thirty-six".