39434372852 has 48 divisors (see below), whose sum is σ = 85044650880. Its totient is φ = 15620428800.

The previous prime is 39434372851. The next prime is 39434372899. The reversal of 39434372852 is 25827343493.

It is a super-2 number, since 2×39434372852² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39434372852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39434372851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 882149 + ... + 925772.

It is an arithmetic number, because the mean of its divisors is an integer number (1771763560).

Almost surely, 2^39434372852 is an apocalyptic number.

It is an amenable number.

39434372852 is an abundant number, since it is smaller than the sum of its proper divisors (45610278028).

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

39434372852 is a wasteful number, since it uses less digits than its factorization.

39434372852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807992 (or 1807990 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 50.

The spelling of 39434372852 in words is "thirty-nine billion, four hundred thirty-four million, three hundred seventy-two thousand, eight hundred fifty-two".