39796782438 has 16 divisors (see below), whose sum is σ = 90964074240. Its totient is φ = 11370509256.

The previous prime is 39796782343. The next prime is 39796782463. The reversal of 39796782438 is 83428769793.

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, 473771178 + ... + 473771261.

It is an arithmetic number, because the mean of its divisors is an integer number (5685254640).

Almost surely, 2^39796782438 is an apocalyptic number.

39796782438 is an abundant number, since it is smaller than the sum of its proper divisors (51167291802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39796782438 is a wasteful number, since it uses less digits than its factorization.

39796782438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947542451.

The product of its digits is 109734912, while the sum is 66.

The spelling of 39796782438 in words is "thirty-nine billion, seven hundred ninety-six million, seven hundred eighty-two thousand, four hundred thirty-eight".