42663100 has 18 divisors (see below), whose sum is σ = 92579144. Its totient is φ = 17065200.

The previous prime is 42663067. The next prime is 42663133. The reversal of 42663100 is 136624.

It is an interprime number because it is at equal distance from previous prime (42663067) and next prime (42663133).

It is a super-4 number, since 4×42663100⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 213216 + ... + 213415.

Almost surely, 2^42663100 is an apocalyptic number.

It is an amenable number.

42663100 is an abundant number, since it is smaller than the sum of its proper divisors (49916044).

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

42663100 is a wasteful number, since it uses less digits than its factorization.

42663100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426645 (or 426638 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 42663100 is about 6531.6996256717. The cubic root of 42663100 is about 349.4224488409.

Adding to 42663100 its reverse (136624), we get a palindrome (42799724).

The spelling of 42663100 in words is "forty-two million, six hundred sixty-three thousand, one hundred".