142402042240 has 64 divisors (see below), whose sum is σ = 360455196960. Its totient is φ = 53610176512.

The previous prime is 142402042231. The next prime is 142402042241. The reversal of 142402042240 is 42240204241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142402042241) 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, 6533332 + ... + 6555091.

Almost surely, 2^142402042240 is an apocalyptic number.

142402042240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142402042240 is an abundant number, since it is smaller than the sum of its proper divisors (218053154720).

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

142402042240 is a wasteful number, since it uses less digits than its factorization.

142402042240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13088459 (or 13088447 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 142402042240 its reverse (42240204241), we get a palindrome (184642246481).

The spelling of 142402042240 in words is "one hundred forty-two billion, four hundred two million, forty-two thousand, two hundred forty".