44002404020 has 48 divisors (see below), whose sum is σ = 93369386880. Its totient is φ = 17417683584.

The previous prime is 44002403987. The next prime is 44002404041. The reversal of 44002404020 is 2040420044.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 44002403983 and 44002404001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1790657 + ... + 1815063.

It is an arithmetic number, because the mean of its divisors is an integer number (1945195560).

Almost surely, 2^44002404020 is an apocalyptic number.

It is an amenable number.

44002404020 is an abundant number, since it is smaller than the sum of its proper divisors (49366982860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44002404020 is a wasteful number, since it uses less digits than its factorization.

44002404020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25352 (or 25350 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 44002404020 its reverse (2040420044), we get a palindrome (46042824064).

The spelling of 44002404020 in words is "forty-four billion, two million, four hundred four thousand, twenty".