39020394708 has 144 divisors (see below), whose sum is σ = 108070260480. Its totient is φ = 12290673024.

The previous prime is 39020394703. The next prime is 39020394709. The reversal of 39020394708 is 80749302093.

It is a happy number.

It is a super-2 number, since 2×39020394708² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39020394703) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1310110 + ... + 1339562.

It is an arithmetic number, because the mean of its divisors is an integer number (750487920).

Almost surely, 2^39020394708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39020394708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54035130240).

39020394708 is an abundant number, since it is smaller than the sum of its proper divisors (69049865772).

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

39020394708 is a wasteful number, since it uses less digits than its factorization.

39020394708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29548 (or 29534 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 39020394708 in words is "thirty-nine billion, twenty million, three hundred ninety-four thousand, seven hundred eight".