39740020980 has 96 divisors (see below), whose sum is σ = 121839500160. Its totient is φ = 9598087680.

The previous prime is 39740020973. The next prime is 39740021011. The reversal of 39740020980 is 8902004793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65622 + ... + 289458.

It is an arithmetic number, because the mean of its divisors is an integer number (1269161460).

Almost surely, 2^39740020980 is an apocalyptic number.

39740020980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39740020980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60919750080).

39740020980 is an abundant number, since it is smaller than the sum of its proper divisors (82099479180).

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

39740020980 is a wasteful number, since it uses less digits than its factorization.

39740020980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224129 (or 224127 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 39740020980 in words is "thirty-nine billion, seven hundred forty million, twenty thousand, nine hundred eighty".