44481387 has 8 divisors (see below), whose sum is σ = 59920336. Its totient is φ = 29348352.

The previous prime is 44481361. The next prime is 44481403. The reversal of 44481387 is 78318444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44481387 - 2⁷ = 44481259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44481487) 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, 76138 + ... + 76719.

It is an arithmetic number, because the mean of its divisors is an integer number (7490042).

Almost surely, 2^44481387 is an apocalyptic number.

44481387 is a deficient number, since it is larger than the sum of its proper divisors (15438949).

44481387 is a wasteful number, since it uses less digits than its factorization.

44481387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152957.

The product of its digits is 86016, while the sum is 39.

The square root of 44481387 is about 6669.4367828176. The cubic root of 44481387 is about 354.3176391890.

The spelling of 44481387 in words is "forty-four million, four hundred eighty-one thousand, three hundred eighty-seven".