44002002000 has 160 divisors (see below), whose sum is σ = 154759273344. Its totient is φ = 10667136000.

The previous prime is 44002001999. The next prime is 44002002067. The reversal of 44002002000 is 20020044.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267349 + ... + 399348.

Almost surely, 2^44002002000 is an apocalyptic number.

44002002000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44002002000 is an abundant number, since it is smaller than the sum of its proper divisors (110757271344).

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

44002002000 is a wasteful number, since it uses less digits than its factorization.

44002002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666734 (or 666718 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 44002002000 its reverse (20020044), we get a palindrome (44022022044).

It can be divided in two parts, 4 and 4002002000, that added together give a palindrome (4002002004).

The spelling of 44002002000 in words is "forty-four billion, two million, two thousand", and thus it is an eban number.