39982399450 has 96 divisors (see below), whose sum is σ = 91905974784. Its totient is φ = 12627287040.

The previous prime is 39982399421. The next prime is 39982399453. The reversal of 39982399450 is 5499328993.

It is not an unprimeable number, because it can be changed into a prime (39982399453) 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, 208164 + ... + 351136.

It is an arithmetic number, because the mean of its divisors is an integer number (957353904).

Almost surely, 2^39982399450 is an apocalyptic number.

39982399450 is an abundant number, since it is smaller than the sum of its proper divisors (51923575334).

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

39982399450 is a wasteful number, since it uses less digits than its factorization.

39982399450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143056 (or 143051 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 61.

The spelling of 39982399450 in words is "thirty-nine billion, nine hundred eighty-two million, three hundred ninety-nine thousand, four hundred fifty".