142111403440 has 60 divisors (see below), whose sum is σ = 350988178176. Its totient is φ = 53500754944.

The previous prime is 142111403429. The next prime is 142111403453. The reversal of 142111403440 is 44304111241.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3050224 + ... + 3096463.

Almost surely, 2^142111403440 is an apocalyptic number.

142111403440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142111403440 is an abundant number, since it is smaller than the sum of its proper divisors (208876774736).

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

142111403440 is a wasteful number, since it uses less digits than its factorization.

142111403440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6146734 (or 6146711 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 142111403440 its reverse (44304111241), we get a palindrome (186415514681).

The spelling of 142111403440 in words is "one hundred forty-two billion, one hundred eleven million, four hundred three thousand, four hundred forty".