400369995401 has 8 divisors (see below), whose sum is σ = 403076472000. Its totient is φ = 397663778160.

The previous prime is 400369995359. The next prime is 400369995407. The reversal of 400369995401 is 104599963004.

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 400369995401 - 2²⁶ = 400302886537 is a prime.

It is a super-2 number, since 2×400369995401² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 400369995401.

It is not an unprimeable number, because it can be changed into a prime (400369995407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3813116 + ... + 3916706.

It is an arithmetic number, because the mean of its divisors is an integer number (50384559000).

Almost surely, 2^400369995401 is an apocalyptic number.

It is an amenable number.

400369995401 is a deficient number, since it is larger than the sum of its proper divisors (2706476599).

400369995401 is a wasteful number, since it uses less digits than its factorization.

400369995401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129679.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The spelling of 400369995401 in words is "four hundred billion, three hundred sixty-nine million, nine hundred ninety-five thousand, four hundred one".