44002404 has 72 divisors (see below), whose sum is σ = 122216640. Its totient is φ = 13286592.

The previous prime is 44002397. The next prime is 44002417. The reversal of 44002404 is 40420044.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14334 + ... + 17130.

Almost surely, 2^44002404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44002404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61108320).

44002404 is an abundant number, since it is smaller than the sum of its proper divisors (78214236).

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

44002404 is a wasteful number, since it uses less digits than its factorization.

44002404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849 (or 2844 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 44002404 is about 6633.4307865538. The cubic root of 44002404 is about 353.0412629287.

Adding to 44002404 its reverse (40420044), we get a palindrome (84422448).

The spelling of 44002404 in words is "forty-four million, two thousand, four hundred four".