400068801 has 20 divisors (see below), whose sum is σ = 651965424. Its totient is φ = 242465400.

The previous prime is 400068797. The next prime is 400068811. The reversal of 400068801 is 108860004.

It is not a de Polignac number, because 400068801 - 2² = 400068797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (400068811) 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 in 19 ways as a sum of consecutive naturals, for example, 223615 + ... + 225396.

Almost surely, 2^400068801 is an apocalyptic number.

It is an amenable number.

400068801 is a deficient number, since it is larger than the sum of its proper divisors (251896623).

400068801 is a wasteful number, since it uses less digits than its factorization.

400068801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449034 (or 449025 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 400068801 is about 20001.7199510442. The cubic root of 400068801 is about 736.8485414815.

The spelling of 400068801 in words is "four hundred million, sixty-eight thousand, eight hundred one".