39715645002 has 64 divisors (see below), whose sum is σ = 90461629440. Its totient is φ = 11506457600.

The previous prime is 39715644989. The next prime is 39715645031. The reversal of 39715645002 is 20054651793.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4274602 + ... + 4283882.

It is an arithmetic number, because the mean of its divisors is an integer number (1413462960).

Almost surely, 2^39715645002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39715645002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45230814720).

39715645002 is an abundant number, since it is smaller than the sum of its proper divisors (50745984438).

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

39715645002 is a wasteful number, since it uses less digits than its factorization.

39715645002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12139.

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 39715645002 in words is "thirty-nine billion, seven hundred fifteen million, six hundred forty-five thousand, two".