400126714220801 has 4 divisors (see below), whose sum is σ = 405191609337600. Its totient is φ = 395061819104004.

The previous prime is 400126714220771. The next prime is 400126714220837. The reversal of 400126714220801 is 108022417621004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 400126714220801 - 2¹⁰ = 400126714219777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400126714220861) 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, 2532447558281 + ... + 2532447558438.

It is an arithmetic number, because the mean of its divisors is an integer number (101297902334400).

Almost surely, 2^{400126714220801} is an apocalyptic number.

It is an amenable number.

400126714220801 is a deficient number, since it is larger than the sum of its proper divisors (5064895116799).

400126714220801 is an equidigital number, since it uses as much as digits as its factorization.

400126714220801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5064895116798.

The product of its (nonzero) digits is 43008, while the sum is 38.

The spelling of 400126714220801 in words is "four hundred trillion, one hundred twenty-six billion, seven hundred fourteen million, two hundred twenty thousand, eight hundred one".