402000044001 has 4 divisors (see below), whose sum is σ = 536000058672. Its totient is φ = 268000029332.

The previous prime is 402000043927. The next prime is 402000044011. The reversal of 402000044001 is 100440000204.

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 402000044001 - 2¹⁵ = 402000011233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402000044011) 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, 67000007331 + ... + 67000007336.

It is an arithmetic number, because the mean of its divisors is an integer number (134000014668).

Almost surely, 2^402000044001 is an apocalyptic number.

It is an amenable number.

402000044001 is a deficient number, since it is larger than the sum of its proper divisors (134000014671).

402000044001 is a wasteful number, since it uses less digits than its factorization.

402000044001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134000014670.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 402000044001 its reverse (100440000204), we get a palindrome (502440044205).

The spelling of 402000044001 in words is "four hundred two billion, forty-four thousand, one".