32378425884 has 144 divisors (see below), whose sum is σ = 94378572288. Its totient is φ = 9168142464.

The previous prime is 32378425831. The next prime is 32378425903. The reversal of 32378425884 is 48852487323.

32378425884 is a `hidden beast` number, since 3 + 237 + 84 + 258 + 84 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

Its product of digits (10321920) is a multiple of the sum of its prime factors (2304).

It is a self number, because there is not a number n which added to its sum of digits gives 32378425884.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19899879 + ... + 19901505.

It is an arithmetic number, because the mean of its divisors is an integer number (655406752).

Almost surely, 2^32378425884 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 32378425884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47189286144).

32378425884 is an abundant number, since it is smaller than the sum of its proper divisors (62000146404).

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

32378425884 is a wasteful number, since it uses less digits than its factorization.

32378425884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304 (or 2299 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 54.

The spelling of 32378425884 in words is "thirty-two billion, three hundred seventy-eight million, four hundred twenty-five thousand, eight hundred eighty-four".