42794548236 has 672 divisors, whose sum is σ = 139612999680. Its totient is φ = 11316412800.

The previous prime is 42794548211. The next prime is 42794548249. The reversal of 42794548236 is 63284549724.

It is a happy number.

42794548236 is a `hidden beast` number, since 4 + 2 + 7 + 94 + 548 + 2 + 3 + 6 = 666.

42794548236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (11612160) is a multiple of the sum of its prime factors (189).

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 602740081 + ... + 602740151.

It is an arithmetic number, because the mean of its divisors is an integer number (207757440).

Almost surely, 2^42794548236 is an apocalyptic number.

42794548236 is a gapful number since it is divisible by the number (46) 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 42794548236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69806499840).

42794548236 is an abundant number, since it is smaller than the sum of its proper divisors (96818451444).

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

42794548236 is a wasteful number, since it uses less digits than its factorization.

42794548236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 172 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 42794548236 in words is "forty-two billion, seven hundred ninety-four million, five hundred forty-eight thousand, two hundred thirty-six".