2820917632 has 64 divisors (see below), whose sum is σ = 6061602960. Its totient is φ = 1299916800.

The previous prime is 2820917599. The next prime is 2820917647. The reversal of 2820917632 is 2367190282.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1748058 + ... + 1749670.

Almost surely, 2^2820917632 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 2820917632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3030801480).

2820917632 is an abundant number, since it is smaller than the sum of its proper divisors (3240685328).

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

2820917632 is a wasteful number, since it uses less digits than its factorization.

2820917632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691 (or 2679 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 2820917632 is about 53112.3114917813. The cubic root of 2820917632 is about 1412.9608709591.

The spelling of 2820917632 in words is "two billion, eight hundred twenty million, nine hundred seventeen thousand, six hundred thirty-two".