44955413923978 has 16 divisors (see below), whose sum is σ = 70370716859136. Its totient is φ = 21498667225200.

The previous prime is 44955413923961. The next prime is 44955413923997. The reversal of 44955413923978 is 87932931455944.

It is a self number, because there is not a number n which added to its sum of digits gives 44955413923978.

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, 39158226 + ... + 40289917.

It is an arithmetic number, because the mean of its divisors is an integer number (4398169803696).

Almost surely, 2^{44955413923978} is an apocalyptic number.

44955413923978 is a deficient number, since it is larger than the sum of its proper divisors (25415302935158).

44955413923978 is a wasteful number, since it uses less digits than its factorization.

44955413923978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79460469.

The product of its digits is 1175731200, while the sum is 73.

The spelling of 44955413923978 in words is "forty-four trillion, nine hundred fifty-five billion, four hundred thirteen million, nine hundred twenty-three thousand, nine hundred seventy-eight".