42472188 has 120 divisors (see below), whose sum is σ = 128432304. Its totient is φ = 12096000.

The previous prime is 42472169. The next prime is 42472247. The reversal of 42472188 is 88127424.

42472188 is a `hidden beast` number, since 4 + 2 + 472 + 188 = 666.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 60238 + ... + 60938.

Almost surely, 2^42472188 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42472188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64216152).

42472188 is an abundant number, since it is smaller than the sum of its proper divisors (85960116).

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

42472188 is a wasteful number, since it uses less digits than its factorization.

42472188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 734 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 42472188 is about 6517.0689730891. The cubic root of 42472188 is about 348.9004623048.

The spelling of 42472188 in words is "forty-two million, four hundred seventy-two thousand, one hundred eighty-eight".