2642142142520 has 16 divisors (see below), whose sum is σ = 5944819820760. Its totient is φ = 1056856856992.

The previous prime is 2642142142487. The next prime is 2642142142529. The reversal of 2642142142520 is 252412412462.

It is a super-3 number, since 3×2642142142520³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642142142529) 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, 33026776742 + ... + 33026776821.

Almost surely, 2^{2642142142520} is an apocalyptic number.

2642142142520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2642142142520 is an abundant number, since it is smaller than the sum of its proper divisors (3302677678240).

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

2642142142520 is a wasteful number, since it uses less digits than its factorization.

2642142142520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66053553574 (or 66053553570 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 2642142142520 its reverse (252412412462), we get a palindrome (2894554554982).

The spelling of 2642142142520 in words is "two trillion, six hundred forty-two billion, one hundred forty-two million, one hundred forty-two thousand, five hundred twenty".