39970980312 has 64 divisors (see below), whose sum is σ = 106085116800. Its totient is φ = 12506780160.

The previous prime is 39970980311. The next prime is 39970980349. The reversal of 39970980312 is 21308907993.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39970980311) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 25387 + ... + 283877.

It is an arithmetic number, because the mean of its divisors is an integer number (1657579950).

Almost surely, 2^39970980312 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 39970980312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53042558400).

39970980312 is an abundant number, since it is smaller than the sum of its proper divisors (66114136488).

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

39970980312 is a wasteful number, since it uses less digits than its factorization.

39970980312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258896 (or 258892 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 51.

The spelling of 39970980312 in words is "thirty-nine billion, nine hundred seventy million, nine hundred eighty thousand, three hundred twelve".