42885857280 has 480 divisors, whose sum is σ = 159068318976. Its totient is φ = 9663676416.

The previous prime is 42885857263. The next prime is 42885857327. The reversal of 42885857280 is 8275858824.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (480).

It is a self number, because there is not a number n which added to its sum of digits gives 42885857280.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166870912 + ... + 166871168.

Almost surely, 2^42885857280 is an apocalyptic number.

42885857280 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 42885857280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79534159488).

42885857280 is an abundant number, since it is smaller than the sum of its proper divisors (116182461696).

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

42885857280 is an equidigital number, since it uses as much as digits as its factorization.

42885857280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 11468800, while the sum is 57.

The spelling of 42885857280 in words is "forty-two billion, eight hundred eighty-five million, eight hundred fifty-seven thousand, two hundred eighty".