42799104 has 156 divisors (see below), whose sum is σ = 131187056. Its totient is φ = 13934592.

The previous prime is 42799103. The next prime is 42799109. The reversal of 42799104 is 40199724.

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

It is not an unprimeable number, because it can be changed into a prime (42799103) 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, 995307 + ... + 995349.

Almost surely, 2^42799104 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 42799104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65593528).

42799104 is an abundant number, since it is smaller than the sum of its proper divisors (88387952).

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

42799104 is an frugal number, since it uses more digits than its factorization.

42799104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 42799104 is about 6542.1024143619. The cubic root of 42799104 is about 349.7933582938.

The spelling of 42799104 in words is "forty-two million, seven hundred ninety-nine thousand, one hundred four".