2648271240 has 64 divisors (see below), whose sum is σ = 8827574400. Its totient is φ = 706205376.

The previous prime is 2648271191. The next prime is 2648271247. The reversal of 2648271240 is 421728462.

2648271240 is a `hidden beast` number, since 2 + 648 + 2 + 7 + 1 + 2 + 4 + 0 = 666.

2648271240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2648271240² = 14026681121222275200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2648271195 and 2648271204.

It is not an unprimeable number, because it can be changed into a prime (2648271247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1224972 + ... + 1227131.

It is an arithmetic number, because the mean of its divisors is an integer number (137930850).

Almost surely, 2^2648271240 is an apocalyptic number.

2648271240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2648271240 is an abundant number, since it is smaller than the sum of its proper divisors (6179303160).

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

2648271240 is a wasteful number, since it uses less digits than its factorization.

2648271240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452123 (or 2452113 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 2648271240 is about 51461.3567640808. The cubic root of 2648271240 is about 1383.5265192369.

The spelling of 2648271240 in words is "two billion, six hundred forty-eight million, two hundred seventy-one thousand, two hundred forty".