42900042864020 has 12 divisors (see below), whose sum is σ = 90090090014484. Its totient is φ = 17160017145600.

The previous prime is 42900042863989. The next prime is 42900042864053. The reversal of 42900042864020 is 2046824000924.

It can be written as a sum of positive squares in 2 ways, for example, as 6808352555524 + 36091690308496 = 2609282^2 + 6007636^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072501071581 + ... + 1072501071620.

It is an arithmetic number, because the mean of its divisors is an integer number (7507507501207).

Almost surely, 2^{42900042864020} is an apocalyptic number.

It is an amenable number.

42900042864020 is an abundant number, since it is smaller than the sum of its proper divisors (47190047150464).

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

42900042864020 is a wasteful number, since it uses less digits than its factorization.

42900042864020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145002143210 (or 2145002143208 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

Adding to 42900042864020 its reverse (2046824000924), we get a palindrome (44946866864944).

The spelling of 42900042864020 in words is "forty-two trillion, nine hundred billion, forty-two million, eight hundred sixty-four thousand, twenty".