142440341024400 has 60 divisors (see below), whose sum is σ = 456283892418672. Its totient is φ = 37984090939520.

The previous prime is 142440341024279. The next prime is 142440341024413. The reversal of 142440341024400 is 4420143044241.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×142440341024400² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59350140894 + ... + 59350143293.

Almost surely, 2^{142440341024400} is an apocalyptic number.

142440341024400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142440341024400 is an abundant number, since it is smaller than the sum of its proper divisors (313843551394272).

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

142440341024400 is a wasteful number, since it uses less digits than its factorization.

142440341024400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118700284208 (or 118700284197 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 142440341024400 its reverse (4420143044241), we get a palindrome (146860484068641).

The spelling of 142440341024400 in words is "one hundred forty-two trillion, four hundred forty billion, three hundred forty-one million, twenty-four thousand, four hundred".