42847726680 has 640 divisors, whose sum is σ = 163389726720. Its totient is φ = 9980651520.

The previous prime is 42847726667. The next prime is 42847726711. The reversal of 42847726680 is 8662774824.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 111873769 + ... + 111874151.

It is an arithmetic number, because the mean of its divisors is an integer number (255296448).

Almost surely, 2^42847726680 is an apocalyptic number.

42847726680 is a gapful number since it is divisible by the number (40) 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 42847726680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81694863360).

42847726680 is an abundant number, since it is smaller than the sum of its proper divisors (120542000040).

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

42847726680 is a wasteful number, since it uses less digits than its factorization.

42847726680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 54.

The spelling of 42847726680 in words is "forty-two billion, eight hundred forty-seven million, seven hundred twenty-six thousand, six hundred eighty".