542512142240652 has 72 divisors (see below), whose sum is σ = 1397310842294640. Its totient is φ = 177414411957120.

The previous prime is 542512142240581. The next prime is 542512142240759. The reversal of 542512142240652 is 256042241215245.

542512142240652 is a `hidden beast` number, since 5 + 4 + 2 + 5 + 1 + 214 + 22 + 406 + 5 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 542512142240598 and 542512142240607.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22204827 + ... + 39725037.

It is an arithmetic number, because the mean of its divisors is an integer number (19407095031870).

Almost surely, 2^{542512142240652} is an apocalyptic number.

It is an amenable number.

542512142240652 is an abundant number, since it is smaller than the sum of its proper divisors (854798700053988).

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

542512142240652 is a wasteful number, since it uses less digits than its factorization.

542512142240652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17536503 (or 17536498 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 45.

Adding to 542512142240652 its reverse (256042241215245), we get a palindrome (798554383455897).

The spelling of 542512142240652 in words is "five hundred forty-two trillion, five hundred twelve billion, one hundred forty-two million, two hundred forty thousand, six hundred fifty-two".