200042460 has 72 divisors (see below), whose sum is σ = 629284656. Its totient is φ = 53343360.

The previous prime is 200042443. The next prime is 200042489. The reversal of 200042460 is 64240002.

200042460 is a `hidden beast` number, since 200 + 0 + 4 + 2 + 460 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15721 + ... + 25440.

Almost surely, 2^200042460 is an apocalyptic number.

200042460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200042460 is an abundant number, since it is smaller than the sum of its proper divisors (429242196).

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

200042460 is a wasteful number, since it uses less digits than its factorization.

200042460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41185 (or 41171 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 200042460 is about 14143.6367317603. The cubic root of 200042460 is about 584.8449293120.

Adding to 200042460 its reverse (64240002), we get a palindrome (264282462).

The spelling of 200042460 in words is "two hundred million, forty-two thousand, four hundred sixty".