44402587 has 4 divisors (see below), whose sum is σ = 44420200. Its totient is φ = 44384976.

The previous prime is 44402557. The next prime is 44402591. The reversal of 44402587 is 78520444.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44402587 - 2⁷ = 44402459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44402557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4233 + ... + 10330.

It is an arithmetic number, because the mean of its divisors is an integer number (11105050).

Almost surely, 2^44402587 is an apocalyptic number.

44402587 is a deficient number, since it is larger than the sum of its proper divisors (17613).

44402587 is a wasteful number, since it uses less digits than its factorization.

44402587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17612.

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 44402587 is about 6663.5266188408. The cubic root of 44402587 is about 354.1082877033.

The spelling of 44402587 in words is "forty-four million, four hundred two thousand, five hundred eighty-seven".