42188731200 has 1008 divisors, whose sum is σ = 193362762880. Its totient is φ = 8758886400.

The previous prime is 42188731129. The next prime is 42188731217. The reversal of 42188731200 is 213788124.

It is a tau number, because it is divible by the number of its divisors (1008).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 36589824 + ... + 36590976.

Almost surely, 2^42188731200 is an apocalyptic number.

42188731200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42188731200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96681381440).

42188731200 is an abundant number, since it is smaller than the sum of its proper divisors (151174031680).

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

42188731200 is a wasteful number, since it uses less digits than its factorization.

42188731200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 42188731200 in words is "forty-two billion, one hundred eighty-eight million, seven hundred thirty-one thousand, two hundred".