2653278340 has 24 divisors (see below), whose sum is σ = 5573856960. Its totient is φ = 1060935648.

The previous prime is 2653278301. The next prime is 2653278359. The reversal of 2653278340 is 438723562.

It is a junction number, because it is equal to n+sod(n) for n = 2653278293 and 2653278302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38409 + ... + 82351.

It is an arithmetic number, because the mean of its divisors is an integer number (232244040).

Almost surely, 2^2653278340 is an apocalyptic number.

2653278340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2653278340 is an abundant number, since it is smaller than the sum of its proper divisors (2920578620).

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

2653278340 is a wasteful number, since it uses less digits than its factorization.

2653278340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46971 (or 46969 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 2653278340 is about 51509.9829159358. The cubic root of 2653278340 is about 1384.3979171743.

The spelling of 2653278340 in words is "two billion, six hundred fifty-three million, two hundred seventy-eight thousand, three hundred forty".