42261802900 has 18 divisors (see below), whose sum is σ = 91708112510. Its totient is φ = 16904721120.

The previous prime is 42261802897. The next prime is 42261802903. The reversal of 42261802900 is 920816224.

It is an interprime number because it is at equal distance from previous prime (42261802897) and next prime (42261802903).

It can be written as a sum of positive squares in 3 ways, for example, as 366263044 + 41895539856 = 19138^2 + 204684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42261802903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211308915 + ... + 211309114.

Almost surely, 2^42261802900 is an apocalyptic number.

It is an amenable number.

42261802900 is an abundant number, since it is smaller than the sum of its proper divisors (49446309610).

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

42261802900 is a wasteful number, since it uses less digits than its factorization.

42261802900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422618043 (or 422618036 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 42261802900 in words is "forty-two billion, two hundred sixty-one million, eight hundred two thousand, nine hundred".