39770680320 has 704 divisors, whose sum is σ = 164032496640. Its totient is φ = 8949989376.

The previous prime is 39770680283. The next prime is 39770680321. The reversal of 39770680320 is 2308607793.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (39770680321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70640359 + ... + 70640921.

Almost surely, 2^39770680320 is an apocalyptic number.

39770680320 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 39770680320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82016248320).

39770680320 is an abundant number, since it is smaller than the sum of its proper divisors (124261816320).

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

39770680320 is a wasteful number, since it uses less digits than its factorization.

39770680320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 39770680320 in words is "thirty-nine billion, seven hundred seventy million, six hundred eighty thousand, three hundred twenty".