44388804518 has 4 divisors (see below), whose sum is σ = 66583206780. Its totient is φ = 22194402258.

The previous prime is 44388804451. The next prime is 44388804541. The reversal of 44388804518 is 81540888344.

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

It is a self number, because there is not a number n which added to its sum of digits gives 44388804518.

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, 11097201128 + ... + 11097201131.

It is an arithmetic number, because the mean of its divisors is an integer number (16645801695).

Almost surely, 2^44388804518 is an apocalyptic number.

44388804518 is a deficient number, since it is larger than the sum of its proper divisors (22194402262).

44388804518 is a wasteful number, since it uses less digits than its factorization.

44388804518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22194402261.

The product of its (nonzero) digits is 3932160, while the sum is 53.

The spelling of 44388804518 in words is "forty-four billion, three hundred eighty-eight million, eight hundred four thousand, five hundred eighteen".