401626612 has 24 divisors (see below), whose sum is σ = 711516960. Its totient is φ = 198350880.

The previous prime is 401626591. The next prime is 401626619. The reversal of 401626612 is 216626104.

It is a super-2 number, since 2×401626612² = 322607870933197088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401626619) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 118323 + ... + 121669.

It is an arithmetic number, because the mean of its divisors is an integer number (29646540).

Almost surely, 2^401626612 is an apocalyptic number.

It is an amenable number.

401626612 is a deficient number, since it is larger than the sum of its proper divisors (309890348).

401626612 is a wasteful number, since it uses less digits than its factorization.

401626612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711 (or 3709 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 401626612 is about 20040.6240421799. The cubic root of 401626612 is about 737.8036972723.

It can be divided in two parts, 4016 and 26612, that added together give a triangular number (30628 = T₂₄₇).

The spelling of 401626612 in words is "four hundred one million, six hundred twenty-six thousand, six hundred twelve".