42793427844 has 240 divisors, whose sum is σ = 121219116480. Its totient is φ = 13122466560.

The previous prime is 42793427827. The next prime is 42793427869. The reversal of 42793427844 is 44872439724.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 31167142 + ... + 31168514.

It is an arithmetic number, because the mean of its divisors is an integer number (505079652).

Almost surely, 2^42793427844 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 42793427844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60609558240).

42793427844 is an abundant number, since it is smaller than the sum of its proper divisors (78425688636).

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

42793427844 is a wasteful number, since it uses less digits than its factorization.

42793427844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552 (or 1541 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 54.

The spelling of 42793427844 in words is "forty-two billion, seven hundred ninety-three million, four hundred twenty-seven thousand, eight hundred forty-four".