2044402004001 has 32 divisors (see below), whose sum is σ = 3174372633600. Its totient is φ = 1146074065344.

The previous prime is 2044402003999. The next prime is 2044402004023. The reversal of 2044402004001 is 1004002044402.

It is not a de Polignac number, because 2044402004001 - 2¹ = 2044402003999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2044402002001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11849050 + ... + 12020348.

It is an arithmetic number, because the mean of its divisors is an integer number (99199144800).

Almost surely, 2^{2044402004001} is an apocalyptic number.

2044402004001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2044402004001 is a deficient number, since it is larger than the sum of its proper divisors (1129970629599).

2044402004001 is a wasteful number, since it uses less digits than its factorization.

2044402004001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182085.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 2044402004001 its reverse (1004002044402), we get a palindrome (3048404048403).

The spelling of 2044402004001 in words is "two trillion, forty-four billion, four hundred two million, four thousand, one".