2788405632 has 96 divisors (see below), whose sum is σ = 8038981080. Its totient is φ = 927725568.

The previous prime is 2788405619. The next prime is 2788405657. The reversal of 2788405632 is 2365048872.

2788405632 is a `hidden beast` number, since 2 + 7 + 8 + 8 + 4 + 0 + 5 + 632 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 708823 + ... + 712745.

Almost surely, 2^2788405632 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 2788405632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4019490540).

2788405632 is an abundant number, since it is smaller than the sum of its proper divisors (5250575448).

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

2788405632 is a wasteful number, since it uses less digits than its factorization.

2788405632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4560 (or 4545 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 2788405632 is about 52805.3560919723. The cubic root of 2788405632 is about 1407.5116031631.

The spelling of 2788405632 in words is "two billion, seven hundred eighty-eight million, four hundred five thousand, six hundred thirty-two".