142321355220040 has 64 divisors (see below), whose sum is σ = 338095253736000. Its totient is φ = 53769365464320.

The previous prime is 142321355220029. The next prime is 142321355220071. The reversal of 142321355220040 is 40022553123241.

It is a junction number, because it is equal to n+sod(n) for n = 142321355219978 and 142321355220005.

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, 282625995 + ... + 283129114.

It is an arithmetic number, because the mean of its divisors is an integer number (5282738339625).

Almost surely, 2^{142321355220040} is an apocalyptic number.

142321355220040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142321355220040 is an abundant number, since it is smaller than the sum of its proper divisors (195773898515960).

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

142321355220040 is a wasteful number, since it uses less digits than its factorization.

142321355220040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565755470 (or 565755466 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 142321355220040 in words is "one hundred forty-two trillion, three hundred twenty-one billion, three hundred fifty-five million, two hundred twenty thousand, forty".