2605127740 has 24 divisors (see below), whose sum is σ = 5547824352. Its totient is φ = 1027373760.

The previous prime is 2605127711. The next prime is 2605127743. The reversal of 2605127740 is 477215062.

It is a junction number, because it is equal to n+sod(n) for n = 2605127696 and 2605127705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605127743) 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, 915879 + ... + 918718.

It is an arithmetic number, because the mean of its divisors is an integer number (231159348).

Almost surely, 2^2605127740 is an apocalyptic number.

2605127740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2605127740 is an abundant number, since it is smaller than the sum of its proper divisors (2942696612).

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

2605127740 is a wasteful number, since it uses less digits than its factorization.

2605127740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834677 (or 1834675 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 2605127740 is about 51040.4519964312. The cubic root of 2605127740 is about 1375.9722472488.

The spelling of 2605127740 in words is "two billion, six hundred five million, one hundred twenty-seven thousand, seven hundred forty".