42894561204 has 168 divisors, whose sum is σ = 123241083840. Its totient is φ = 12949372800.

The previous prime is 42894561197. The next prime is 42894561221. The reversal of 42894561204 is 40216549824.

It is a happy number.

42894561204 is a `hidden beast` number, since 4 + 2 + 89 + 4 + 561 + 2 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 42894561204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 9010977 + ... + 9015735.

It is an arithmetic number, because the mean of its divisors is an integer number (733577880).

Almost surely, 2^42894561204 is an apocalyptic number.

42894561204 is a gapful number since it is divisible by the number (44) 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 42894561204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61620541920).

42894561204 is an abundant number, since it is smaller than the sum of its proper divisors (80346522636).

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

42894561204 is a wasteful number, since it uses less digits than its factorization.

42894561204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5073 (or 5056 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 42894561204 in words is "forty-two billion, eight hundred ninety-four million, five hundred sixty-one thousand, two hundred four".