142204440432 has 40 divisors (see below), whose sum is σ = 372011626240. Its totient is φ = 46801460160.

The previous prime is 142204440299. The next prime is 142204440439. The reversal of 142204440432 is 234044402241.

It is a self number, because there is not a number n which added to its sum of digits gives 142204440432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142204440439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18746794 + ... + 18754377.

It is an arithmetic number, because the mean of its divisors is an integer number (9300290656).

Almost surely, 2^142204440432 is an apocalyptic number.

142204440432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142204440432 is an abundant number, since it is smaller than the sum of its proper divisors (229807185808).

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

142204440432 is a wasteful number, since it uses less digits than its factorization.

142204440432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37501261 (or 37501255 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 142204440432 its reverse (234044402241), we get a palindrome (376248842673).

The spelling of 142204440432 in words is "one hundred forty-two billion, two hundred four million, four hundred forty thousand, four hundred thirty-two".