400086602401 has 4 divisors (see below), whose sum is σ = 401159221012. Its totient is φ = 399013983792.

The previous prime is 400086602371. The next prime is 400086602411. The reversal of 400086602401 is 104206680004.

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

It can be written as a sum of positive squares in 2 ways, for example, as 258145286400 + 141941316001 = 508080^2 + 376751^2 .

It is a cyclic number.

It is not a de Polignac number, because 400086602401 - 2²³ = 400078213793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400086602411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536308746 + ... + 536309491.

It is an arithmetic number, because the mean of its divisors is an integer number (100289805253).

Almost surely, 2^400086602401 is an apocalyptic number.

It is an amenable number.

400086602401 is a deficient number, since it is larger than the sum of its proper divisors (1072618611).

400086602401 is a wasteful number, since it uses less digits than its factorization.

400086602401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072618610.

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 400086602401 in words is "four hundred billion, eighty-six million, six hundred two thousand, four hundred one".