142266550240 has 96 divisors (see below), whose sum is σ = 338524202016. Its totient is φ = 56498042880.

The previous prime is 142266550207. The next prime is 142266550243. The reversal of 142266550240 is 42055662241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 142266550240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142266550243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18907119 + ... + 18914641.

It is an arithmetic number, because the mean of its divisors is an integer number (3526293771).

Almost surely, 2^142266550240 is an apocalyptic number.

142266550240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142266550240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169262101008).

142266550240 is an abundant number, since it is smaller than the sum of its proper divisors (196257651776).

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

142266550240 is a wasteful number, since it uses less digits than its factorization.

142266550240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8372 (or 8364 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 142266550240 in words is "one hundred forty-two billion, two hundred sixty-six million, five hundred fifty thousand, two hundred forty".