142320313440 has 96 divisors (see below), whose sum is σ = 498121112160. Its totient is φ = 37952082432.

The previous prime is 142320313439. The next prime is 142320313459. The reversal of 142320313440 is 44313023241.

142320313440 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 203 + 13 + 440 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 16467939 + ... + 16476578.

It is an arithmetic number, because the mean of its divisors is an integer number (5188761585).

Almost surely, 2^142320313440 is an apocalyptic number.

142320313440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142320313440 is an abundant number, since it is smaller than the sum of its proper divisors (355800798720).

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

142320313440 is a wasteful number, since it uses less digits than its factorization.

142320313440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32944541 (or 32944527 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 142320313440 its reverse (44313023241), we get a palindrome (186633336681).

The spelling of 142320313440 in words is "one hundred forty-two billion, three hundred twenty million, three hundred thirteen thousand, four hundred forty".