401739012 has 36 divisors (see below), whose sum is σ = 1016695680. Its totient is φ = 133756272.

The previous prime is 401738977. The next prime is 401739031. The reversal of 401739012 is 210937104.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×401739012² = 322788467525472288, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 27013 + ... + 39155.

Almost surely, 2^401739012 is an apocalyptic number.

It is an amenable number.

401739012 is an abundant number, since it is smaller than the sum of its proper divisors (614956668).

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

401739012 is a wasteful number, since it uses less digits than its factorization.

401739012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13072 (or 13067 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 401739012 is about 20043.4281498949. The cubic root of 401739012 is about 737.8725185756.

The spelling of 401739012 in words is "four hundred one million, seven hundred thirty-nine thousand, twelve".