142321400563240 has 32 divisors (see below), whose sum is σ = 323215891008480. Its totient is φ = 56396517604672.

The previous prime is 142321400563231. The next prime is 142321400563261. The reversal of 142321400563240 is 42365004123241.

It is a self number, because there is not a number n which added to its sum of digits gives 142321400563240.

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, 16626327562 + ... + 16626336121.

It is an arithmetic number, because the mean of its divisors is an integer number (10100496594015).

Almost surely, 2^{142321400563240} is an apocalyptic number.

142321400563240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142321400563240 is an abundant number, since it is smaller than the sum of its proper divisors (180894490445240).

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

142321400563240 is a wasteful number, since it uses less digits than its factorization.

142321400563240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33252663801 (or 33252663797 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 142321400563240 its reverse (42365004123241), we get a palindrome (184686404686481).

The spelling of 142321400563240 in words is "one hundred forty-two trillion, three hundred twenty-one billion, four hundred million, five hundred sixty-three thousand, two hundred forty".