2930780448 has 96 divisors (see below), whose sum is σ = 8580337920. Its totient is φ = 973244160.

The previous prime is 2930780443. The next prime is 2930780449. The reversal of 2930780448 is 8440870392.

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

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2930780443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227886 + ... + 240402.

It is an arithmetic number, because the mean of its divisors is an integer number (89378520).

Almost surely, 2^2930780448 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 2930780448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4290168960).

2930780448 is an abundant number, since it is smaller than the sum of its proper divisors (5649557472).

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

2930780448 is a wasteful number, since it uses less digits than its factorization.

2930780448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12807 (or 12793 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 2930780448 is about 54136.6830162322. The cubic root of 2930780448 is about 1431.0707171606.

The spelling of 2930780448 in words is "two billion, nine hundred thirty million, seven hundred eighty thousand, four hundred forty-eight".