401404200125 has 16 divisors (see below), whose sum is σ = 501387853824. Its totient is φ = 320844250000.

The previous prime is 401404200083. The next prime is 401404200137. The reversal of 401404200125 is 521002404104.

It is not a de Polignac number, because 401404200125 - 2⁶ = 401404200061 is a prime.

It is a super-2 number, since 2×401404200125² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401404200125.

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, 1251101 + ... + 1538850.

It is an arithmetic number, because the mean of its divisors is an integer number (31336740864).

Almost surely, 2^401404200125 is an apocalyptic number.

It is an amenable number.

401404200125 is a deficient number, since it is larger than the sum of its proper divisors (99983653699).

401404200125 is a wasteful number, since it uses less digits than its factorization.

401404200125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791117 (or 2791107 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 401404200125 its reverse (521002404104), we get a palindrome (922406604229).

The spelling of 401404200125 in words is "four hundred one billion, four hundred four million, two hundred thousand, one hundred twenty-five".