2605811480 has 16 divisors (see below), whose sum is σ = 5863075920. Its totient is φ = 1042324576.

The previous prime is 2605811479. The next prime is 2605811491. The reversal of 2605811480 is 841185062.

It is a self number, because there is not a number n which added to its sum of digits gives 2605811480.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32572604 + ... + 32572683.

It is an arithmetic number, because the mean of its divisors is an integer number (366442245).

Almost surely, 2^2605811480 is an apocalyptic number.

2605811480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2605811480 is an abundant number, since it is smaller than the sum of its proper divisors (3257264440).

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

2605811480 is a wasteful number, since it uses less digits than its factorization.

2605811480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65145298 (or 65145294 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 2605811480 is about 51047.1495776209. The cubic root of 2605811480 is about 1376.0926156225.

The spelling of 2605811480 in words is "two billion, six hundred five million, eight hundred eleven thousand, four hundred eighty".