44002001412 has 48 divisors (see below), whose sum is σ = 116506494720. Its totient is φ = 14355261216.

The previous prime is 44002001389. The next prime is 44002001441. The reversal of 44002001412 is 21410020044.

44002001412 is a `hidden beast` number, since 440 + 0 + 200 + 14 + 12 = 666.

It is a super-2 number, since 2×44002001412² (a number of 22 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 4329243 + ... + 4339394.

It is an arithmetic number, because the mean of its divisors is an integer number (2427218640).

Almost surely, 2^44002001412 is an apocalyptic number.

It is an amenable number.

44002001412 is an abundant number, since it is smaller than the sum of its proper divisors (72504493308).

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

44002001412 is a wasteful number, since it uses less digits than its factorization.

44002001412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8668697 (or 8668689 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 44002001412 its reverse (21410020044), we get a palindrome (65412021456).

The spelling of 44002001412 in words is "forty-four billion, two million, one thousand, four hundred twelve".