400260801 has 8 divisors (see below), whose sum is σ = 565074144. Its totient is φ = 251144000.

The previous prime is 400260799. The next prime is 400260827. The reversal of 400260801 is 108062004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400260801 - 2¹ = 400260799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400260841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3924075 + ... + 3924176.

It is an arithmetic number, because the mean of its divisors is an integer number (70634268).

Almost surely, 2^400260801 is an apocalyptic number.

It is an amenable number.

400260801 is a deficient number, since it is larger than the sum of its proper divisors (164813343).

400260801 is a wasteful number, since it uses less digits than its factorization.

400260801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7848271.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 400260801 is about 20006.5189625782. The cubic root of 400260801 is about 736.9663981214.

The spelling of 400260801 in words is "four hundred million, two hundred sixty thousand, eight hundred one".