401617146621956 has 24 divisors (see below), whose sum is σ = 704382258182400. Its totient is φ = 200365115049792.

The previous prime is 401617146621941. The next prime is 401617146622037. The reversal of 401617146621956 is 659126641716104.

It is a super-2 number, since 2×401617146621956² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401617146621895 and 401617146621904.

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, 32885600 + ... + 43413096.

It is an arithmetic number, because the mean of its divisors is an integer number (29349260757600).

Almost surely, 2^{401617146621956} is an apocalyptic number.

It is an amenable number.

401617146621956 is a deficient number, since it is larger than the sum of its proper divisors (302765111560444).

401617146621956 is a wasteful number, since it uses less digits than its factorization.

401617146621956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10548563 (or 10548561 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 401617146621956 in words is "four hundred one trillion, six hundred seventeen billion, one hundred forty-six million, six hundred twenty-one thousand, nine hundred fifty-six".