2780901032 has 64 divisors (see below), whose sum is σ = 6428284800. Its totient is φ = 1098282240.

The previous prime is 2780900999. The next prime is 2780901073. The reversal of 2780901032 is 2301090872.

It is a self number, because there is not a number n which added to its sum of digits gives 2780901032.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478319 + ... + 484097.

It is an arithmetic number, because the mean of its divisors is an integer number (100441950).

Almost surely, 2^2780901032 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 2780901032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3214142400).

2780901032 is an abundant number, since it is smaller than the sum of its proper divisors (3647383768).

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

2780901032 is a wasteful number, since it uses less digits than its factorization.

2780901032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6466 (or 6462 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 2780901032 is about 52734.2491365905. The cubic root of 2780901032 is about 1406.2477624274.

The spelling of 2780901032 in words is "two billion, seven hundred eighty million, nine hundred one thousand, thirty-two".