2648509290 has 72 divisors (see below), whose sum is σ = 8010402660. Its totient is φ = 605372544.

The previous prime is 2648509289. The next prime is 2648509307. The reversal of 2648509290 is 929058462.

It can be written as a sum of positive squares in 2 ways, for example, as 2449953009 + 198556281 = 49497^2 + 14091^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 295875 + ... + 304694.

Almost surely, 2^2648509290 is an apocalyptic number.

2648509290 is an abundant number, since it is smaller than the sum of its proper divisors (5361893370).

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

2648509290 is a wasteful number, since it uses less digits than its factorization.

2648509290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600596 (or 600586 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 2648509290 is about 51463.6696126500. The cubic root of 2648509290 is about 1383.5679725209.

The spelling of 2648509290 in words is "two billion, six hundred forty-eight million, five hundred nine thousand, two hundred ninety".