400560411 has 4 divisors (see below), whose sum is σ = 534080552. Its totient is φ = 267040272.

The previous prime is 400560401. The next prime is 400560439. The reversal of 400560411 is 114065004.

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

It is not a de Polignac number, because 400560411 - 2²¹ = 398463259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400560401) 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 3 ways as a sum of consecutive naturals, for example, 66760066 + ... + 66760071.

It is an arithmetic number, because the mean of its divisors is an integer number (133520138).

Almost surely, 2^400560411 is an apocalyptic number.

400560411 is a deficient number, since it is larger than the sum of its proper divisors (133520141).

400560411 is a wasteful number, since it uses less digits than its factorization.

400560411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133520140.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 400560411 is about 20014.0053712394. The cubic root of 400560411 is about 737.1502344534.

The spelling of 400560411 in words is "four hundred million, five hundred sixty thousand, four hundred eleven".