44068591 has 24 divisors (see below), whose sum is σ = 53370240. Its totient is φ = 36251712.

The previous prime is 44068589. The next prime is 44068597. The reversal of 44068591 is 19586044.

It is a happy number.

It is not a de Polignac number, because 44068591 - 2¹ = 44068589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 44068591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44068597) 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, 197506 + ... + 197728.

It is an arithmetic number, because the mean of its divisors is an integer number (2223760).

Almost surely, 2^44068591 is an apocalyptic number.

44068591 is a deficient number, since it is larger than the sum of its proper divisors (9301649).

44068591 is a wasteful number, since it uses less digits than its factorization.

44068591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 44068591 is about 6638.4178084842. The cubic root of 44068591 is about 353.2181853533.

The spelling of 44068591 in words is "forty-four million, sixty-eight thousand, five hundred ninety-one".