39396243929922 has 96 divisors (see below), whose sum is σ = 93919483981440. Its totient is φ = 11835777557760.

The previous prime is 39396243929921. The next prime is 39396243929927. The reversal of 39396243929922 is 22992934269393.

39396243929922 is a `hidden beast` number, since 3 + 9 + 3 + 96 + 243 + 9 + 299 + 2 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (39396243929921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20028979 + ... + 21907817.

It is an arithmetic number, because the mean of its divisors is an integer number (978327958140).

Almost surely, 2^{39396243929922} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39396243929922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46959741990720).

39396243929922 is an abundant number, since it is smaller than the sum of its proper divisors (54523240051518).

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

39396243929922 is a wasteful number, since it uses less digits than its factorization.

39396243929922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879768 (or 1879765 counting only the distinct ones).

The product of its digits is 612220032, while the sum is 72.

The spelling of 39396243929922 in words is "thirty-nine trillion, three hundred ninety-six billion, two hundred forty-three million, nine hundred twenty-nine thousand, nine hundred twenty-two".