142013201440 has 96 divisors (see below), whose sum is σ = 368801294400. Its totient is φ = 51246873600.

The previous prime is 142013201423. The next prime is 142013201453. The reversal of 142013201440 is 44102310241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77415 + ... + 538534.

It is an arithmetic number, because the mean of its divisors is an integer number (3841680150).

Almost surely, 2^142013201440 is an apocalyptic number.

142013201440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142013201440 is an abundant number, since it is smaller than the sum of its proper divisors (226788092960).

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

142013201440 is a wasteful number, since it uses less digits than its factorization.

142013201440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616106 (or 616098 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 142013201440 its reverse (44102310241), we get a palindrome (186115511681).

The spelling of 142013201440 in words is "one hundred forty-two billion, thirteen million, two hundred one thousand, four hundred forty".