2549328432 has 160 divisors (see below), whose sum is σ = 8004344832. Its totient is φ = 682524672.

The previous prime is 2549328427. The next prime is 2549328473. The reversal of 2549328432 is 2348239452.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1501408 + ... + 1503104.

Almost surely, 2^2549328432 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 2549328432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4002172416).

2549328432 is an abundant number, since it is smaller than the sum of its proper divisors (5455016400).

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

2549328432 is a wasteful number, since it uses less digits than its factorization.

2549328432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995 (or 1989 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 2549328432 is about 50490.8747398973. The cubic root of 2549328432 is about 1366.0772636182.

The spelling of 2549328432 in words is "two billion, five hundred forty-nine million, three hundred twenty-eight thousand, four hundred thirty-two".