401600375899 has 4 divisors (see below), whose sum is σ = 409177741536. Its totient is φ = 394023010264.

The previous prime is 401600375837. The next prime is 401600375909. The reversal of 401600375899 is 998573006104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401600375899 is a prime.

It is a super-2 number, since 2×401600375899² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401600325899) 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, 3788682739 + ... + 3788682844.

It is an arithmetic number, because the mean of its divisors is an integer number (102294435384).

Almost surely, 2^401600375899 is an apocalyptic number.

401600375899 is a deficient number, since it is larger than the sum of its proper divisors (7577365637).

401600375899 is an equidigital number, since it uses as much as digits as its factorization.

401600375899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7577365636.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 401600375899 in words is "four hundred one billion, six hundred million, three hundred seventy-five thousand, eight hundred ninety-nine".