42789600 has 288 divisors, whose sum is σ = 177488640. Its totient is φ = 9745920.

The previous prime is 42789583. The next prime is 42789623. The reversal of 42789600 is 698724.

42789600 is a `hidden beast` number, since 42 + 7 + 8 + 9 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

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 47 ways as a sum of consecutive naturals, for example, 151059 + ... + 151341.

It is an arithmetic number, because the mean of its divisors is an integer number (616280).

Almost surely, 2^42789600 is an apocalyptic number.

42789600 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 42789600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88744320).

42789600 is an abundant number, since it is smaller than the sum of its proper divisors (134699040).

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

42789600 is a wasteful number, since it uses less digits than its factorization.

42789600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 42789600 is about 6541.3760020350. The cubic root of 42789600 is about 349.7674645884.

The spelling of 42789600 in words is "forty-two million, seven hundred eighty-nine thousand, six hundred".