2780950260 has 72 divisors (see below), whose sum is σ = 8558913888. Its totient is φ = 674168000.

The previous prime is 2780950243. The next prime is 2780950279. The reversal of 2780950260 is 620590872.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184266 + ... + 198785.

It is an arithmetic number, because the mean of its divisors is an integer number (118873804).

Almost surely, 2^2780950260 is an apocalyptic number.

2780950260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2780950260 is an abundant number, since it is smaller than the sum of its proper divisors (5777963628).

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

2780950260 is a wasteful number, since it uses less digits than its factorization.

2780950260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383085 (or 383072 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 2780950260 is about 52734.7158900093. The cubic root of 2780950260 is about 1406.2560602603.

The spelling of 2780950260 in words is "two billion, seven hundred eighty million, nine hundred fifty thousand, two hundred sixty".