42794697100 has 144 divisors (see below), whose sum is σ = 99131155200. Its totient is φ = 16008192000.

The previous prime is 42794697079. The next prime is 42794697103. The reversal of 42794697100 is 179649724.

It is not an unprimeable number, because it can be changed into a prime (42794697103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13852356 + ... + 13855444.

It is an arithmetic number, because the mean of its divisors is an integer number (688410800).

Almost surely, 2^42794697100 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 42794697100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49565577600).

42794697100 is an abundant number, since it is smaller than the sum of its proper divisors (56336458100).

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

42794697100 is a wasteful number, since it uses less digits than its factorization.

42794697100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284 (or 3277 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 42794697100 in words is "forty-two billion, seven hundred ninety-four million, six hundred ninety-seven thousand, one hundred".