142234210304440 has 16 divisors (see below), whose sum is σ = 320026973185080. Its totient is φ = 56893684121760.

The previous prime is 142234210304429. The next prime is 142234210304441. The reversal of 142234210304440 is 44403012432241.

It is a junction number, because it is equal to n+sod(n) for n = 142234210304396 and 142234210304405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142234210304441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1777927628766 + ... + 1777927628845.

Almost surely, 2^{142234210304440} is an apocalyptic number.

142234210304440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142234210304440 is an abundant number, since it is smaller than the sum of its proper divisors (177792762880640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142234210304440 is a wasteful number, since it uses less digits than its factorization.

142234210304440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555855257622 (or 3555855257618 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 142234210304440 its reverse (44403012432241), we get a palindrome (186637222736681).

The spelling of 142234210304440 in words is "one hundred forty-two trillion, two hundred thirty-four billion, two hundred ten million, three hundred four thousand, four hundred forty".