39970351220 has 24 divisors (see below), whose sum is σ = 85360413600. Its totient is φ = 15717154592.

The previous prime is 39970351207. The next prime is 39970351237. The reversal of 39970351220 is 2215307993.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16935410 + ... + 16937769.

It is an arithmetic number, because the mean of its divisors is an integer number (3556683900).

Almost surely, 2^39970351220 is an apocalyptic number.

It is an amenable number.

39970351220 is an abundant number, since it is smaller than the sum of its proper divisors (45390062380).

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

39970351220 is a wasteful number, since it uses less digits than its factorization.

39970351220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33873247 (or 33873245 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 41.

The spelling of 39970351220 in words is "thirty-nine billion, nine hundred seventy million, three hundred fifty-one thousand, two hundred twenty".