2541565740 has 96 divisors (see below), whose sum is σ = 8322209280. Its totient is φ = 567415296.

The previous prime is 2541565729. The next prime is 2541565787. The reversal of 2541565740 is 475651452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52305 + ... + 88424.

It is an arithmetic number, because the mean of its divisors is an integer number (86689680).

Almost surely, 2^2541565740 is an apocalyptic number.

2541565740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2541565740 is an abundant number, since it is smaller than the sum of its proper divisors (5780643540).

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

2541565740 is a wasteful number, since it uses less digits than its factorization.

2541565740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140791 (or 140789 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 39.

The square root of 2541565740 is about 50413.9439044398. The cubic root of 2541565740 is about 1364.6892877833.

The spelling of 2541565740 in words is "two billion, five hundred forty-one million, five hundred sixty-five thousand, seven hundred forty".