44275621 has 8 divisors (see below), whose sum is σ = 49754880. Its totient is φ = 39092592.

The previous prime is 44275619. The next prime is 44275639. The reversal of 44275621 is 12657244.

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 44275621 - 2¹ = 44275619 is a prime.

It is a super-2 number, since 2×44275621² = 3920661229871282, which 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 (44275601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73741 + ... + 74338.

It is an arithmetic number, because the mean of its divisors is an integer number (6219360).

Almost surely, 2^44275621 is an apocalyptic number.

It is an amenable number.

44275621 is a deficient number, since it is larger than the sum of its proper divisors (5479259).

44275621 is a wasteful number, since it uses less digits than its factorization.

44275621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148115.

The product of its digits is 13440, while the sum is 31.

The square root of 44275621 is about 6653.9928614329. The cubic root of 44275621 is about 353.7704497744.

The spelling of 44275621 in words is "forty-four million, two hundred seventy-five thousand, six hundred twenty-one".