42890188203 has 64 divisors (see below), whose sum is σ = 66718080000. Its totient is φ = 27195759360.

The previous prime is 42890188183. The next prime is 42890188223. The reversal of 42890188203 is 30288109824.

42890188203 is a `hidden beast` number, since 428 + 9 + 0 + 18 + 8 + 203 = 666.

It is an interprime number because it is at equal distance from previous prime (42890188183) and next prime (42890188223).

It is not a de Polignac number, because 42890188203 - 2⁵ = 42890188171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42890188223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21671668 + ... + 21673646.

It is an arithmetic number, because the mean of its divisors is an integer number (1042470000).

Almost surely, 2^42890188203 is an apocalyptic number.

42890188203 is a deficient number, since it is larger than the sum of its proper divisors (23827891797).

42890188203 is a wasteful number, since it uses less digits than its factorization.

42890188203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417 (or 2411 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 42890188203 in words is "forty-two billion, eight hundred ninety million, one hundred eighty-eight thousand, two hundred three".