401404200124 has 24 divisors (see below), whose sum is σ = 743798507760. Its totient is φ = 188890980096.

The previous prime is 401404200083. The next prime is 401404200137. The reversal of 401404200124 is 421002404104.

It is a super-2 number, since 2×401404200124² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401404200095 and 401404200104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3889462 + ... + 3991330.

It is an arithmetic number, because the mean of its divisors is an integer number (30991604490).

Almost surely, 2^401404200124 is an apocalyptic number.

It is an amenable number.

401404200124 is a deficient number, since it is larger than the sum of its proper divisors (342394307636).

401404200124 is a wasteful number, since it uses less digits than its factorization.

401404200124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159837 (or 159835 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 401404200124 its reverse (421002404104), we get a palindrome (822406604228).

The spelling of 401404200124 in words is "four hundred one billion, four hundred four million, two hundred thousand, one hundred twenty-four".