2251442546342 has 16 divisors (see below), whose sum is σ = 3684307852800. Its totient is φ = 1023347103240.

The previous prime is 2251442546333. The next prime is 2251442546359. The reversal of 2251442546342 is 2436452441522.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2251442546293 and 2251442546302.

It is a congruent number.

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, 1146542 + ... + 2411937.

It is an arithmetic number, because the mean of its divisors is an integer number (230269240800).

Almost surely, 2^{2251442546342} is an apocalyptic number.

2251442546342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2251442546342 is a deficient number, since it is larger than the sum of its proper divisors (1432865306458).

2251442546342 is a wasteful number, since it uses less digits than its factorization.

2251442546342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3587251.

The product of its digits is 1843200, while the sum is 44.

Adding to 2251442546342 its reverse (2436452441522), we get a palindrome (4687894987864).

The spelling of 2251442546342 in words is "two trillion, two hundred fifty-one billion, four hundred forty-two million, five hundred forty-six thousand, three hundred forty-two".