2540357822499 has 64 divisors (see below), whose sum is σ = 4046818212864. Its totient is φ = 1387310962176.

The previous prime is 2540357822489. The next prime is 2540357822533. The reversal of 2540357822499 is 9942287530452.

It is a Cunningham number, because it is equal to 1593850²-1.

It is not a de Polignac number, because 2540357822499 - 2⁵ = 2540357822467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2540357822489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11043097 + ... + 11270789.

It is an arithmetic number, because the mean of its divisors is an integer number (63231534576).

Almost surely, 2^{2540357822499} is an apocalyptic number.

2540357822499 is a deficient number, since it is larger than the sum of its proper divisors (1506460390365).

2540357822499 is a wasteful number, since it uses less digits than its factorization.

2540357822499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227996.

The product of its (nonzero) digits is 43545600, while the sum is 60.

The spelling of 2540357822499 in words is "two trillion, five hundred forty billion, three hundred fifty-seven million, eight hundred twenty-two thousand, four hundred ninety-nine".