2613260240 has 20 divisors (see below), whose sum is σ = 6075830244. Its totient is φ = 1045304064.

The previous prime is 2613260233. The next prime is 2613260263. The reversal of 2613260240 is 420623162.

It can be written as a sum of positive squares in 2 ways, for example, as 2016728464 + 596531776 = 44908^2 + 24424^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16332797 + ... + 16332956.

Almost surely, 2^2613260240 is an apocalyptic number.

2613260240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2613260240 is an abundant number, since it is smaller than the sum of its proper divisors (3462570004).

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

2613260240 is a wasteful number, since it uses less digits than its factorization.

2613260240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32665766 (or 32665760 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2613260240 is about 51120.0571204689. The cubic root of 2613260240 is about 1377.4025635871.

The spelling of 2613260240 in words is "two billion, six hundred thirteen million, two hundred sixty thousand, two hundred forty".