142440011208 has 96 divisors (see below), whose sum is σ = 421391730240. Its totient is φ = 43107615360.

The previous prime is 142440011191. The next prime is 142440011251. The reversal of 142440011208 is 802110044241.

142440011208 is a `hidden beast` number, since 1 + 4 + 2 + 440 + 0 + 11 + 208 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 495885 + ... + 728547.

It is an arithmetic number, because the mean of its divisors is an integer number (4389497190).

Almost surely, 2^142440011208 is an apocalyptic number.

142440011208 is a gapful number since it is divisible by the number (18) 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 142440011208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210695865120).

142440011208 is an abundant number, since it is smaller than the sum of its proper divisors (278951719032).

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

142440011208 is a wasteful number, since it uses less digits than its factorization.

142440011208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233459 (or 233452 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

Adding to 142440011208 its reverse (802110044241), we get a palindrome (944550055449).

The spelling of 142440011208 in words is "one hundred forty-two billion, four hundred forty million, eleven thousand, two hundred eight".