142004400512 has 64 divisors (see below), whose sum is σ = 309655545360. Its totient is φ = 64466012160.

The previous prime is 142004400457. The next prime is 142004400521. The reversal of 142004400512 is 215004400241.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597998 + ... + 801005.

Almost surely, 2^142004400512 is an apocalyptic number.

It is an amenable number.

142004400512 is an abundant number, since it is smaller than the sum of its proper divisors (167651144848).

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

142004400512 is a wasteful number, since it uses less digits than its factorization.

142004400512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399091 (or 1399079 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 142004400512 its reverse (215004400241), we get a palindrome (357008800753).

The spelling of 142004400512 in words is "one hundred forty-two billion, four million, four hundred thousand, five hundred twelve".