44021542025 has 6 divisors (see below), whose sum is σ = 54586712142. Its totient is φ = 35217233600.

The previous prime is 44021541961. The next prime is 44021542031. The reversal of 44021542025 is 52024512044.

It can be written as a sum of positive squares in 3 ways, for example, as 14633982841 + 29387559184 = 120971^2 + 171428^2 .

It is not a de Polignac number, because 44021542025 - 2⁶ = 44021541961 is a prime.

It is a super-2 number, since 2×44021542025² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 880430816 + ... + 880430865.

It is an arithmetic number, because the mean of its divisors is an integer number (9097785357).

Almost surely, 2^44021542025 is an apocalyptic number.

It is an amenable number.

44021542025 is a deficient number, since it is larger than the sum of its proper divisors (10565170117).

44021542025 is a wasteful number, since it uses less digits than its factorization.

44021542025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760861691 (or 1760861686 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The spelling of 44021542025 in words is "forty-four billion, twenty-one million, five hundred forty-two thousand, twenty-five".