2611262740 has 24 divisors (see below), whose sum is σ = 5514294240. Its totient is φ = 1038668448.

The previous prime is 2611262729. The next prime is 2611262741. The reversal of 2611262740 is 472621162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2611262741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361122 + ... + 368281.

It is an arithmetic number, because the mean of its divisors is an integer number (229762260).

Almost surely, 2^2611262740 is an apocalyptic number.

2611262740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2611262740 is an abundant number, since it is smaller than the sum of its proper divisors (2903031500).

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

2611262740 is a wasteful number, since it uses less digits than its factorization.

2611262740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729591 (or 729589 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 2611262740 is about 51100.5160443610. The cubic root of 2611262740 is about 1377.0515253327.

The spelling of 2611262740 in words is "two billion, six hundred eleven million, two hundred sixty-two thousand, seven hundred forty".