142402033040 has 20 divisors (see below), whose sum is σ = 331084727004. Its totient is φ = 56960813184.

The previous prime is 142402033021. The next prime is 142402033049. The reversal of 142402033040 is 40330204241.

It can be written as a sum of positive squares in 2 ways, for example, as 16223626384 + 126178406656 = 127372^2 + 355216^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 142402032997 and 142402033015.

It is not an unprimeable number, because it can be changed into a prime (142402033049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890012627 + ... + 890012786.

Almost surely, 2^142402033040 is an apocalyptic number.

142402033040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142402033040 is an abundant number, since it is smaller than the sum of its proper divisors (188682693964).

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

142402033040 is a wasteful number, since it uses less digits than its factorization.

142402033040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780025426 (or 1780025420 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 142402033040 its reverse (40330204241), we get a palindrome (182732237281).

The spelling of 142402033040 in words is "one hundred forty-two billion, four hundred two million, thirty-three thousand, forty".