2780137048 has 32 divisors (see below), whose sum is σ = 5719669200. Its totient is φ = 1258927488.

The previous prime is 2780137033. The next prime is 2780137049. The reversal of 2780137048 is 8407310872.

It is a self number, because there is not a number n which added to its sum of digits gives 2780137048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780137049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246678 + ... + 257701.

Almost surely, 2^2780137048 is an apocalyptic number.

It is an amenable number.

2780137048 is an abundant number, since it is smaller than the sum of its proper divisors (2939532152).

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

2780137048 is a wasteful number, since it uses less digits than its factorization.

2780137048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504451 (or 504447 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 2780137048 is about 52727.0049215770. The cubic root of 2780137048 is about 1406.1189733315.

The spelling of 2780137048 in words is "two billion, seven hundred eighty million, one hundred thirty-seven thousand, forty-eight".