400420440404017 has 16 divisors (see below), whose sum is σ = 441343959622272. Its totient is φ = 360250843230720.

The previous prime is 400420440403967. The next prime is 400420440404113. The reversal of 400420440404017 is 710404044024004.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400420440404017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400420440404317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17933043 + ... + 33502759.

It is an arithmetic number, because the mean of its divisors is an integer number (27583997476392).

Almost surely, 2^{400420440404017} is an apocalyptic number.

It is an amenable number.

400420440404017 is a deficient number, since it is larger than the sum of its proper divisors (40923519218255).

400420440404017 is a wasteful number, since it uses less digits than its factorization.

400420440404017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15593928.

The product of its (nonzero) digits is 57344, while the sum is 34.

The spelling of 400420440404017 in words is "four hundred trillion, four hundred twenty billion, four hundred forty million, four hundred four thousand, seventeen".