44002502981 has 8 divisors (see below), whose sum is σ = 45774136800. Its totient is φ = 42247822960.

The previous prime is 44002502941. The next prime is 44002502987. The reversal of 44002502981 is 18920520044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44002502981 - 2⁶ = 44002502917 is a prime.

It is a super-2 number, since 2×44002502981² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44002502987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4233155 + ... + 4243536.

It is an arithmetic number, because the mean of its divisors is an integer number (5721767100).

Almost surely, 2^44002502981 is an apocalyptic number.

It is an amenable number.

44002502981 is a deficient number, since it is larger than the sum of its proper divisors (1771633819).

44002502981 is a wasteful number, since it uses less digits than its factorization.

44002502981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8476899.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 44002502981 in words is "forty-four billion, two million, five hundred two thousand, nine hundred eighty-one".