42155233100 has 36 divisors (see below), whose sum is σ = 91517178984. Its totient is φ = 16854660480.

The previous prime is 42155233093. The next prime is 42155233103. The reversal of 42155233100 is 133255124.

It is a happy number.

42155233100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42155233100² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42155233100.

It is not an unprimeable number, because it can be changed into a prime (42155233103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137939 + ... + 321461.

Almost surely, 2^42155233100 is an apocalyptic number.

It is an amenable number.

42155233100 is an abundant number, since it is smaller than the sum of its proper divisors (49361945884).

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

42155233100 is a wasteful number, since it uses less digits than its factorization.

42155233100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185834 (or 185827 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 42155233100 its reverse (133255124), we get a palindrome (42288488224).

The spelling of 42155233100 in words is "forty-two billion, one hundred fifty-five million, two hundred thirty-three thousand, one hundred".