2540203122434 has 8 divisors (see below), whose sum is σ = 3810464724240. Its totient is φ = 1270048214356.

The previous prime is 2540203122427. The next prime is 2540203122469. The reversal of 2540203122434 is 4342213020452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2540203122434.

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, 26613884 + ... + 26709159.

It is an arithmetic number, because the mean of its divisors is an integer number (476308090530).

Almost surely, 2^{2540203122434} is an apocalyptic number.

2540203122434 is a deficient number, since it is larger than the sum of its proper divisors (1270261601806).

2540203122434 is a wasteful number, since it uses less digits than its factorization.

2540203122434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53346864.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 2540203122434 its reverse (4342213020452), we get a palindrome (6882416142886).

The spelling of 2540203122434 in words is "two trillion, five hundred forty billion, two hundred three million, one hundred twenty-two thousand, four hundred thirty-four".