142301242440 has 384 divisors, whose sum is σ = 562142280960. Its totient is φ = 30475763712.

The previous prime is 142301242427. The next prime is 142301242477. The reversal of 142301242440 is 44242103241.

142301242440 is a `hidden beast` number, since 1 + 4 + 230 + 1 + 2 + 424 + 4 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9717364 + ... + 9731996.

It is an arithmetic number, because the mean of its divisors is an integer number (1463912190).

Almost surely, 2^142301242440 is an apocalyptic number.

142301242440 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 142301242440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281071140480).

142301242440 is an abundant number, since it is smaller than the sum of its proper divisors (419841038520).

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

142301242440 is a wasteful number, since it uses less digits than its factorization.

142301242440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14901 (or 14894 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 142301242440 its reverse (44242103241), we get a palindrome (186543345681).

The spelling of 142301242440 in words is "one hundred forty-two billion, three hundred one million, two hundred forty-two thousand, four hundred forty".