39761782242 has 192 divisors, whose sum is σ = 100513695744. Its totient is φ = 10265149440.

The previous prime is 39761782213. The next prime is 39761782253. The reversal of 39761782242 is 24228716793.

39761782242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 129517053 + ... + 129517359.

It is an arithmetic number, because the mean of its divisors is an integer number (523508832).

Almost surely, 2^39761782242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39761782242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50256847872).

39761782242 is an abundant number, since it is smaller than the sum of its proper divisors (60751913502).

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

39761782242 is a wasteful number, since it uses less digits than its factorization.

39761782242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 660 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 51.

The spelling of 39761782242 in words is "thirty-nine billion, seven hundred sixty-one million, seven hundred eighty-two thousand, two hundred forty-two".