44021872654 has 32 divisors (see below), whose sum is σ = 71620053120. Its totient is φ = 20222599968.

The previous prime is 44021872579. The next prime is 44021872667. The reversal of 44021872654 is 45627812044.

It is a self number, because there is not a number n which added to its sum of digits gives 44021872654.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380649 + ... + 482635.

It is an arithmetic number, because the mean of its divisors is an integer number (2238126660).

Almost surely, 2^44021872654 is an apocalyptic number.

44021872654 is a deficient number, since it is larger than the sum of its proper divisors (27598180466).

44021872654 is a wasteful number, since it uses less digits than its factorization.

44021872654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102352.

The product of its (nonzero) digits is 430080, while the sum is 43.

The spelling of 44021872654 in words is "forty-four billion, twenty-one million, eight hundred seventy-two thousand, six hundred fifty-four".