2542233147442 has 16 divisors (see below), whose sum is σ = 3816696927960. Its totient is φ = 1270001329408.

The previous prime is 2542233147431. The next prime is 2542233147479. The reversal of 2542233147442 is 2447413322452.

It can be written as a sum of positive squares in 4 ways, for example, as 1882825809921 + 659407337521 = 1372161^2 + 812039^2 .

It is a super-2 number, since 2×2542233147442² (a number of 26 digits) contains 22 as substring.

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, 10426548 + ... + 10667584.

Almost surely, 2^{2542233147442} is an apocalyptic number.

2542233147442 is a deficient number, since it is larger than the sum of its proper divisors (1274463780518).

2542233147442 is a wasteful number, since it uses less digits than its factorization.

2542233147442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245645.

The product of its digits is 1290240, while the sum is 43.

Adding to 2542233147442 its reverse (2447413322452), we get a palindrome (4989646469894).

The spelling of 2542233147442 in words is "two trillion, five hundred forty-two billion, two hundred thirty-three million, one hundred forty-seven thousand, four hundred forty-two".