849937305432 has 64 divisors (see below), whose sum is σ = 2174219366400. Its totient is φ = 276752103680.

The previous prime is 849937305407. The next prime is 849937305461. The reversal of 849937305432 is 234503739948.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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, 135432 + ... + 1310807.

It is an arithmetic number, because the mean of its divisors is an integer number (33972177600).

Almost surely, 2^849937305432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 849937305432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1087109683200).

849937305432 is an abundant number, since it is smaller than the sum of its proper divisors (1324282060968).

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

849937305432 is a wasteful number, since it uses less digits than its factorization.

849937305432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446816 (or 1446812 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 57.

The spelling of 849937305432 in words is "eight hundred forty-nine billion, nine hundred thirty-seven million, three hundred five thousand, four hundred thirty-two".