2026551243642 has 16 divisors (see below), whose sum is σ = 4080304519200. Its totient is φ = 670983409232.

The previous prime is 2026551243641. The next prime is 2026551243659. The reversal of 2026551243642 is 2463421556202.

It is a junction number, because it is equal to n+sod(n) for n = 2026551243594 and 2026551243603.

It is not an unprimeable number, because it can be changed into a prime (2026551243641) 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, 1133417028 + ... + 1133418815.

It is an arithmetic number, because the mean of its divisors is an integer number (255019032450).

Almost surely, 2^{2026551243642} is an apocalyptic number.

2026551243642 is an abundant number, since it is smaller than the sum of its proper divisors (2053753275558).

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

2026551243642 is a wasteful number, since it uses less digits than its factorization.

2026551243642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266835997.

The product of its (nonzero) digits is 691200, while the sum is 42.

Adding to 2026551243642 its reverse (2463421556202), we get a palindrome (4489972799844).

The spelling of 2026551243642 in words is "two trillion, twenty-six billion, five hundred fifty-one million, two hundred forty-three thousand, six hundred forty-two".