2530000278 has 32 divisors (see below), whose sum is σ = 6054703200. Its totient is φ = 778461408.

The previous prime is 2530000261. The next prime is 2530000301. The reversal of 2530000278 is 8720000352.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 1801293 + ... + 1802696.

It is an arithmetic number, because the mean of its divisors is an integer number (189209475).

Almost surely, 2^2530000278 is an apocalyptic number.

2530000278 is an abundant number, since it is smaller than the sum of its proper divisors (3524702922).

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

2530000278 is a wasteful number, since it uses less digits than its factorization.

2530000278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604013 (or 3604007 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2530000278 is about 50299.1081233057. The cubic root of 2530000278 is about 1362.6161217193.

The spelling of 2530000278 in words is "two billion, five hundred thirty million, two hundred seventy-eight", and thus it is an aban number.