42199199136 has 72 divisors (see below), whose sum is σ = 120126857760. Its totient is φ = 14051995776.

The previous prime is 42199199099. The next prime is 42199199137. The reversal of 42199199136 is 63199199124.

It is a happy number.

42199199136 is a `hidden beast` number, since 421 + 99 + 19 + 91 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (42199199137) 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, 208575 + ... + 357633.

It is an arithmetic number, because the mean of its divisors is an integer number (1668428580).

Almost surely, 2^42199199136 is an apocalyptic number.

It is an amenable number.

42199199136 is an abundant number, since it is smaller than the sum of its proper divisors (77927658624).

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

42199199136 is a wasteful number, since it uses less digits than its factorization.

42199199136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150058 (or 150047 counting only the distinct ones).

The product of its digits is 944784, while the sum is 54.

The spelling of 42199199136 in words is "forty-two billion, one hundred ninety-nine million, one hundred ninety-nine thousand, one hundred thirty-six".