39730774120 has 64 divisors (see below), whose sum is σ = 94916966400. Its totient is φ = 14915712000.

The previous prime is 39730774051. The next prime is 39730774121. The reversal of 39730774120 is 2147703793.

It is not an unprimeable number, because it can be changed into a prime (39730774121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162745 + ... + 325495.

It is an arithmetic number, because the mean of its divisors is an integer number (1483077600).

Almost surely, 2^39730774120 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 39730774120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47458483200).

39730774120 is an abundant number, since it is smaller than the sum of its proper divisors (55186192280).

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

39730774120 is a wasteful number, since it uses less digits than its factorization.

39730774120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163138 (or 163134 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 43.

The spelling of 39730774120 in words is "thirty-nine billion, seven hundred thirty million, seven hundred seventy-four thousand, one hundred twenty".