39447498816 has 84 divisors (see below), whose sum is σ = 123348164784. Its totient is φ = 11953785600.

The previous prime is 39447498809. The next prime is 39447498817. The reversal of 39447498816 is 61889474493.

39447498816 is a `hidden beast` number, since 3 + 94 + 47 + 498 + 8 + 16 = 666.

It is a super-2 number, since 2×39447498816² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39447498817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3106630 + ... + 3119301.

Almost surely, 2^39447498816 is an apocalyptic number.

39447498816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

39447498816 is an abundant number, since it is smaller than the sum of its proper divisors (83900665968).

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

39447498816 is a wasteful number, since it uses less digits than its factorization.

39447498816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6225960 (or 6225947 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 39447498816 in words is "thirty-nine billion, four hundred forty-seven million, four hundred ninety-eight thousand, eight hundred sixteen".