44920861678 has 16 divisors (see below), whose sum is σ = 84007845504. Its totient is φ = 17501634360.

The previous prime is 44920861651. The next prime is 44920861681. The reversal of 44920861678 is 87616802944.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145846800 + ... + 145847107.

It is an arithmetic number, because the mean of its divisors is an integer number (5250490344).

Almost surely, 2^44920861678 is an apocalyptic number.

44920861678 is a deficient number, since it is larger than the sum of its proper divisors (39086983826).

44920861678 is a wasteful number, since it uses less digits than its factorization.

44920861678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291693927.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 44920861678 in words is "forty-four billion, nine hundred twenty million, eight hundred sixty-one thousand, six hundred seventy-eight".