39445875839090 has 32 divisors (see below), whose sum is σ = 81147041063424. Its totient is φ = 13524093731520.

The previous prime is 39445875839063. The next prime is 39445875839107. The reversal of 39445875839090 is 9093857854493.

It is a Smith number, since the sum of its digits (74) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 39445875838999 and 39445875839017.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348407 + ... + 8888933.

It is an arithmetic number, because the mean of its divisors is an integer number (2535845033232).

Almost surely, 2^{39445875839090} is an apocalyptic number.

39445875839090 is an abundant number, since it is smaller than the sum of its proper divisors (41701165224334).

39445875839090 is a wasteful number, since it uses less digits than its factorization.

39445875839090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8606522.

The product of its (nonzero) digits is 1175731200, while the sum is 74.

The spelling of 39445875839090 in words is "thirty-nine trillion, four hundred forty-five billion, eight hundred seventy-five million, eight hundred thirty-nine thousand, ninety".