44064581 has 8 divisors (see below), whose sum is σ = 48118944. Its totient is φ = 40018320.

The previous prime is 44064569. The next prime is 44064593. The reversal of 44064581 is 18546044.

It is an interprime number because it is at equal distance from previous prime (44064569) and next prime (44064593).

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 44064581 - 2²² = 39870277 is a prime.

It is a super-2 number, since 2×44064581² = 3883374597411122, 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 (44060581) 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, 18071 + ... + 20363.

It is an arithmetic number, because the mean of its divisors is an integer number (6014868).

Almost surely, 2^44064581 is an apocalyptic number.

It is an amenable number.

44064581 is a deficient number, since it is larger than the sum of its proper divisors (4054363).

44064581 is a wasteful number, since it uses less digits than its factorization.

44064581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4051.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 44064581 is about 6638.1157718136. The cubic root of 44064581 is about 353.2074713894.

The spelling of 44064581 in words is "forty-four million, sixty-four thousand, five hundred eighty-one".