44540687 has 2 divisors, whose sum is σ = 44540688. Its totient is φ = 44540686.

The previous prime is 44540681. The next prime is 44540689. The reversal of 44540687 is 78604544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44540687 - 2²⁴ = 27763471 is a prime.

Together with 44540689, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44540687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44540681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22270343 + 22270344.

It is an arithmetic number, because the mean of its divisors is an integer number (22270344).

Almost surely, 2^44540687 is an apocalyptic number.

44540687 is a deficient number, since it is larger than the sum of its proper divisors (1).

44540687 is an equidigital number, since it uses as much as digits as its factorization.

44540687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 44540687 is about 6673.8809548867. The cubic root of 44540687 is about 354.4750211670.

The spelling of 44540687 in words is "forty-four million, five hundred forty thousand, six hundred eighty-seven".