44542438 has 4 divisors (see below), whose sum is σ = 66813660. Its totient is φ = 22271218.

The previous prime is 44542429. The next prime is 44542447. The reversal of 44542438 is 83424544.

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

It is an interprime number because it is at equal distance from previous prime (44542429) and next prime (44542447).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11135608 + ... + 11135611.

It is an arithmetic number, because the mean of its divisors is an integer number (16703415).

Almost surely, 2^44542438 is an apocalyptic number.

44542438 is a deficient number, since it is larger than the sum of its proper divisors (22271222).

44542438 is a wasteful number, since it uses less digits than its factorization.

44542438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22271221.

The product of its digits is 61440, while the sum is 34.

The square root of 44542438 is about 6674.0121366387. The cubic root of 44542438 is about 354.4796661907.

The spelling of 44542438 in words is "forty-four million, five hundred forty-two thousand, four hundred thirty-eight".