401338044 has 48 divisors (see below), whose sum is σ = 1050836640. Its totient is φ = 132451200.

The previous prime is 401338033. The next prime is 401338051. The reversal of 401338044 is 440833104.

It is a super-2 number, since 2×401338044² = 322144451123491872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 401337999 and 401338017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7489 + ... + 29304.

It is an arithmetic number, because the mean of its divisors is an integer number (21892430).

Almost surely, 2^401338044 is an apocalyptic number.

It is an amenable number.

401338044 is an abundant number, since it is smaller than the sum of its proper divisors (649498596).

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

401338044 is a wasteful number, since it uses less digits than its factorization.

401338044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36907 (or 36899 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 401338044 is about 20033.4231722889. The cubic root of 401338044 is about 737.6269513909.

The spelling of 401338044 in words is "four hundred one million, three hundred thirty-eight thousand, forty-four".