39494469028 has 36 divisors (see below), whose sum is σ = 80892768432. Its totient is φ = 16822345680.

The previous prime is 39494469023. The next prime is 39494469143. The reversal of 39494469028 is 82096449493.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (39494469023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 586158 + ... + 650053.

Almost surely, 2^39494469028 is an apocalyptic number.

It is an amenable number.

39494469028 is an abundant number, since it is smaller than the sum of its proper divisors (41398299404).

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

39494469028 is a wasteful number, since it uses less digits than its factorization.

39494469028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236392 (or 1236383 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 58.

The spelling of 39494469028 in words is "thirty-nine billion, four hundred ninety-four million, four hundred sixty-nine thousand, twenty-eight".