401651626156104 has 32 divisors (see below), whose sum is σ = 1004338739736000. Its totient is φ = 133855918805952.

The previous prime is 401651626156093. The next prime is 401651626156111.

401651626156104 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×401651626156104² (a number of 30 digits) contains 22 as substring.

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, 1747168884 + ... + 1747398755.

It is an arithmetic number, because the mean of its divisors is an integer number (31385585616750).

Almost surely, 2^{401651626156104} is an apocalyptic number.

It is an amenable number.

401651626156104 is an abundant number, since it is smaller than the sum of its proper divisors (602687113579896).

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

401651626156104 is a wasteful number, since it uses less digits than its factorization.

401651626156104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494572437 (or 3494572433 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 401651626156104 in words is "four hundred one trillion, six hundred fifty-one billion, six hundred twenty-six million, one hundred fifty-six thousand, one hundred four".