39018608442 has 32 divisors (see below), whose sum is σ = 94590567360. Its totient is φ = 11823820560.

The previous prime is 39018608339. The next prime is 39018608443. The reversal of 39018608442 is 24480681093.

It is a happy number.

39018608442 is a `hidden beast` number, since 39 + 0 + 1 + 8 + 608 + 4 + 4 + 2 = 666.

39018608442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×39018608442² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39018608443) 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, 32843353 + ... + 32844540.

It is an arithmetic number, because the mean of its divisors is an integer number (2955955230).

Almost surely, 2^39018608442 is an apocalyptic number.

39018608442 is an abundant number, since it is smaller than the sum of its proper divisors (55571958918).

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

39018608442 is a wasteful number, since it uses less digits than its factorization.

39018608442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65687915 (or 65687909 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 39018608442 in words is "thirty-nine billion, eighteen million, six hundred eight thousand, four hundred forty-two".