2540291375 has 8 divisors (see below), whose sum is σ = 3170283792. Its totient is φ = 2032233000.

The previous prime is 2540291363. The next prime is 2540291441. The reversal of 2540291375 is 5731920452.

It is a de Polignac number, because none of the positive numbers 2^k-2540291375 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10161041 + ... + 10161290.

It is an arithmetic number, because the mean of its divisors is an integer number (396285474).

Almost surely, 2^2540291375 is an apocalyptic number.

2540291375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2540291375 is a deficient number, since it is larger than the sum of its proper divisors (629992417).

2540291375 is an equidigital number, since it uses as much as digits as its factorization.

2540291375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20322346 (or 20322336 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 2540291375 is about 50401.3033065614. The cubic root of 2540291375 is about 1364.4611602965.

The spelling of 2540291375 in words is "two billion, five hundred forty million, two hundred ninety-one thousand, three hundred seventy-five".