142021330040 has 32 divisors (see below), whose sum is σ = 319559068080. Its totient is φ = 56806563072.

The previous prime is 142021330027. The next prime is 142021330081. The reversal of 142021330040 is 40033120241.

142021330040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 142021329994 and 142021330021.

It is a congruent number.

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, 1809044 + ... + 1885916.

Almost surely, 2^142021330040 is an apocalyptic number.

142021330040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142021330040 is an abundant number, since it is smaller than the sum of its proper divisors (177537738040).

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

142021330040 is a wasteful number, since it uses less digits than its factorization.

142021330040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123071 (or 123067 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 142021330040 its reverse (40033120241), we get a palindrome (182054450281).

The spelling of 142021330040 in words is "one hundred forty-two billion, twenty-one million, three hundred thirty thousand, forty".