2540234434412 has 24 divisors (see below), whose sum is σ = 4486551096720. Its totient is φ = 1258364548800.

The previous prime is 2540234434403. The next prime is 2540234434417. The reversal of 2540234434412 is 2144344320452.

It is not an unprimeable number, because it can be changed into a prime (2540234434417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5406287 + ... + 5857337.

It is an arithmetic number, because the mean of its divisors is an integer number (186939629030).

Almost surely, 2^{2540234434412} is an apocalyptic number.

It is an amenable number.

2540234434412 is a deficient number, since it is larger than the sum of its proper divisors (1946316662308).

2540234434412 is a wasteful number, since it uses less digits than its factorization.

2540234434412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464081 (or 464079 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 2540234434412 its reverse (2144344320452), we get a palindrome (4684578754864).

The spelling of 2540234434412 in words is "two trillion, five hundred forty billion, two hundred thirty-four million, four hundred thirty-four thousand, four hundred twelve".