400404234013001 has 4 divisors (see below), whose sum is σ = 405228381410832. Its totient is φ = 395580086615172.

The previous prime is 400404234012973. The next prime is 400404234013051. The reversal of 400404234013001 is 100310432404004.

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 400404234013001 - 2¹⁴ = 400404233996617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400404234013051) 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, 2412073698791 + ... + 2412073698956.

It is an arithmetic number, because the mean of its divisors is an integer number (101307095352708).

Almost surely, 2^{400404234013001} is an apocalyptic number.

It is an amenable number.

400404234013001 is a deficient number, since it is larger than the sum of its proper divisors (4824147397831).

400404234013001 is an equidigital number, since it uses as much as digits as its factorization.

400404234013001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4824147397830.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 400404234013001 its reverse (100310432404004), we get a palindrome (500714666417005).

The spelling of 400404234013001 in words is "four hundred trillion, four hundred four billion, two hundred thirty-four million, thirteen thousand, one".