401558310012 has 12 divisors (see below), whose sum is σ = 936969390056. Its totient is φ = 133852770000.

The previous prime is 401558309993. The next prime is 401558310017. The reversal of 401558310012 is 210013855104.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×401558310012² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401558310017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16731596239 + ... + 16731596262.

Almost surely, 2^401558310012 is an apocalyptic number.

It is an amenable number.

401558310012 is an abundant number, since it is smaller than the sum of its proper divisors (535411080044).

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

401558310012 is a wasteful number, since it uses less digits than its factorization.

401558310012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33463192508 (or 33463192506 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 401558310012 in words is "four hundred one billion, five hundred fifty-eight million, three hundred ten thousand, twelve".