39490983864 has 64 divisors (see below), whose sum is σ = 109733510400. Its totient is φ = 13159301472.

The previous prime is 39490983841. The next prime is 39490983869. The reversal of 39490983864 is 46838909493.

39490983864 is a `hidden beast` number, since 3 + 9 + 490 + 9 + 83 + 8 + 64 = 666.

39490983864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39490983869) 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, 659709 + ... + 717075.

It is an arithmetic number, because the mean of its divisors is an integer number (1714586100).

Almost surely, 2^39490983864 is an apocalyptic number.

It is an amenable number.

39490983864 is an abundant number, since it is smaller than the sum of its proper divisors (70242526536).

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

39490983864 is a wasteful number, since it uses less digits than its factorization.

39490983864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60569 (or 60559 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 63.

The spelling of 39490983864 in words is "thirty-nine billion, four hundred ninety million, nine hundred eighty-three thousand, eight hundred sixty-four".