401044413 has 32 divisors (see below), whose sum is σ = 674196480. Its totient is φ = 205983360.

The previous prime is 401044409. The next prime is 401044429. The reversal of 401044413 is 314440104.

It is not a de Polignac number, because 401044413 - 2² = 401044409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 401044413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401044213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10806 + ... + 30312.

It is an arithmetic number, because the mean of its divisors is an integer number (21068640).

Almost surely, 2^401044413 is an apocalyptic number.

It is an amenable number.

401044413 is a deficient number, since it is larger than the sum of its proper divisors (273152067).

401044413 is a wasteful number, since it uses less digits than its factorization.

401044413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19617.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 401044413 is about 20026.0933034878. The cubic root of 401044413 is about 737.4470174712.

Adding to 401044413 its reverse (314440104), we get a palindrome (715484517).

The spelling of 401044413 in words is "four hundred one million, forty-four thousand, four hundred thirteen".