44121465 has 24 divisors (see below), whose sum is σ = 76913928. Its totient is φ = 23397120.

The previous prime is 44121461. The next prime is 44121479. The reversal of 44121465 is 56412144.

44121465 is a `hidden beast` number, since 441 + 214 + 6 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3059001 + 41062464 = 1749^2 + 6408^2 .

It is not a de Polignac number, because 44121465 - 2² = 44121461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44121461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5437 + ... + 10853.

It is an arithmetic number, because the mean of its divisors is an integer number (3204747).

Almost surely, 2^44121465 is an apocalyptic number.

44121465 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44121465 is a deficient number, since it is larger than the sum of its proper divisors (32792463).

44121465 is a wasteful number, since it uses less digits than its factorization.

44121465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5609 (or 5606 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 44121465 is about 6642.3990395037. The cubic root of 44121465 is about 353.3593939680.

The spelling of 44121465 in words is "forty-four million, one hundred twenty-one thousand, four hundred sixty-five".