401146568 has 8 divisors (see below), whose sum is σ = 752149830. Its totient is φ = 200573280.

The previous prime is 401146567. The next prime is 401146573. The reversal of 401146568 is 865641104.

It can be written as a sum of positive squares in only one way, i.e., 258630724 + 142515844 = 16082^2 + 11938^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (401146567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25071653 + ... + 25071668.

Almost surely, 2^401146568 is an apocalyptic number.

It is an amenable number.

401146568 is a deficient number, since it is larger than the sum of its proper divisors (351003262).

401146568 is a wasteful number, since it uses less digits than its factorization.

401146568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50143327 (or 50143323 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 401146568 is about 20028.6436884778. The cubic root of 401146568 is about 737.5096269164.

The spelling of 401146568 in words is "four hundred one million, one hundred forty-six thousand, five hundred sixty-eight".