401573127568 has 10 divisors (see below), whose sum is σ = 778047934694. Its totient is φ = 200786563776.

The previous prime is 401573127551. The next prime is 401573127619. The reversal of 401573127568 is 865721375104.

It can be written as a sum of positive squares in only one way, i.e., 227139934464 + 174433193104 = 476592^2 + 417652^2 .

It is a super-2 number, since 2×401573127568² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12549160221 + ... + 12549160252.

Almost surely, 2^401573127568 is an apocalyptic number.

It is an amenable number.

401573127568 is a deficient number, since it is larger than the sum of its proper divisors (376474807126).

401573127568 is a wasteful number, since it uses less digits than its factorization.

401573127568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25098320481 (or 25098320475 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 401573127568 in words is "four hundred one billion, five hundred seventy-three million, one hundred twenty-seven thousand, five hundred sixty-eight".