44431678 has 4 divisors (see below), whose sum is σ = 66647520. Its totient is φ = 22215838.

The previous prime is 44431657. The next prime is 44431679. The reversal of 44431678 is 87613444.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44431679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11107918 + ... + 11107921.

It is an arithmetic number, because the mean of its divisors is an integer number (16661880).

Almost surely, 2^44431678 is an apocalyptic number.

44431678 is a deficient number, since it is larger than the sum of its proper divisors (22215842).

44431678 is a wasteful number, since it uses less digits than its factorization.

44431678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22215841.

The product of its digits is 64512, while the sum is 37.

The square root of 44431678 is about 6665.7091145654. The cubic root of 44431678 is about 354.1856038840.

The spelling of 44431678 in words is "forty-four million, four hundred thirty-one thousand, six hundred seventy-eight".