39506770494 has 32 divisors (see below), whose sum is σ = 88569764640. Its totient is φ = 13052382336.

The previous prime is 39506770483. The next prime is 39506770553. The reversal of 39506770494 is 49407760593.

It is a happy number.

39506770494 is a `hidden beast` number, since 3 + 95 + 0 + 67 + 7 + 0 + 494 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 39506770494.

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, 3231097 + ... + 3243300.

It is an arithmetic number, because the mean of its divisors is an integer number (2767805145).

Almost surely, 2^39506770494 is an apocalyptic number.

39506770494 is an abundant number, since it is smaller than the sum of its proper divisors (49062994146).

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

39506770494 is a wasteful number, since it uses less digits than its factorization.

39506770494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6474521 (or 6474515 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

Subtracting 39506770494 from its reverse (49407760593), we obtain a palindrome (9900990099).

It can be divided in two parts, 39506 and 770494, that added together give a 4-th power (810000 = 30⁴).

The spelling of 39506770494 in words is "thirty-nine billion, five hundred six million, seven hundred seventy thousand, four hundred ninety-four".