2546640575 has 12 divisors (see below), whose sum is σ = 3186808680. Its totient is φ = 2018619360.

The previous prime is 2546640517. The next prime is 2546640581. The reversal of 2546640575 is 5750466452.

It is not a de Polignac number, because 2546640575 - 2²⁸ = 2278205119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 464549 + ... + 469998.

It is an arithmetic number, because the mean of its divisors is an integer number (265567390).

Almost surely, 2^2546640575 is an apocalyptic number.

2546640575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2546640575 is a deficient number, since it is larger than the sum of its proper divisors (640168105).

2546640575 is a wasteful number, since it uses less digits than its factorization.

2546640575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934666 (or 934661 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 44.

The square root of 2546640575 is about 50464.2504650569. The cubic root of 2546640575 is about 1365.5969918345.

The spelling of 2546640575 in words is "two billion, five hundred forty-six million, six hundred forty thousand, five hundred seventy-five".