2610665240 has 32 divisors (see below), whose sum is σ = 6032756880. Its totient is φ = 1016042112.

The previous prime is 2610665219. The next prime is 2610665293. The reversal of 2610665240 is 425660162.

It is a junction number, because it is equal to n+sod(n) for n = 2610665197 and 2610665206.

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 7 ways as a sum of consecutive naturals, for example, 880502 + ... + 883461.

Almost surely, 2^2610665240 is an apocalyptic number.

2610665240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2610665240 is an abundant number, since it is smaller than the sum of its proper divisors (3422091640).

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

2610665240 is a wasteful number, since it uses less digits than its factorization.

2610665240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764011 (or 1764007 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2610665240 is about 51094.6693892817. The cubic root of 2610665240 is about 1376.9464866174.

The spelling of 2610665240 in words is "two billion, six hundred ten million, six hundred sixty-five thousand, two hundred forty".