142434334440 has 64 divisors (see below), whose sum is σ = 474781118400. Its totient is φ = 37982488896.

The previous prime is 142434334433. The next prime is 142434334451. The reversal of 142434334440 is 44433434241.

142434334440 is a `hidden beast` number, since 142 + 4 + 3 + 43 + 34 + 440 = 666.

It is a super-2 number, since 2×142434334440² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 142434334395 and 142434334404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65940742 + ... + 65942901.

It is an arithmetic number, because the mean of its divisors is an integer number (7418454975).

Almost surely, 2^142434334440 is an apocalyptic number.

142434334440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142434334440 is an abundant number, since it is smaller than the sum of its proper divisors (332346783960).

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

142434334440 is a wasteful number, since it uses less digits than its factorization.

142434334440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131883663 (or 131883653 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 142434334440 its reverse (44433434241), we get a palindrome (186867768681).

The spelling of 142434334440 in words is "one hundred forty-two billion, four hundred thirty-four million, three hundred thirty-four thousand, four hundred forty".