401415542012 has 24 divisors (see below), whose sum is σ = 725509865472. Its totient is φ = 194133654000.

The previous prime is 401415541979. The next prime is 401415542039. The reversal of 401415542012 is 210245514104.

It is a happy number.

It is a super-2 number, since 2×401415542012² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587708 + ... + 1071555.

It is an arithmetic number, because the mean of its divisors is an integer number (30229577728).

Almost surely, 2^401415542012 is an apocalyptic number.

It is an amenable number.

401415542012 is a deficient number, since it is larger than the sum of its proper divisors (324094323460).

401415542012 is a wasteful number, since it uses less digits than its factorization.

401415542012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661249 (or 1661247 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The spelling of 401415542012 in words is "four hundred one billion, four hundred fifteen million, five hundred forty-two thousand, twelve".