42240820280 has 16 divisors (see below), whose sum is σ = 95041845720. Its totient is φ = 16896328096.

The previous prime is 42240820241. The next prime is 42240820289. The reversal of 42240820280 is 8202804224.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42240820289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528010214 + ... + 528010293.

Almost surely, 2^42240820280 is an apocalyptic number.

42240820280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42240820280 is an abundant number, since it is smaller than the sum of its proper divisors (52801025440).

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

42240820280 is a wasteful number, since it uses less digits than its factorization.

42240820280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056020518 (or 1056020514 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The spelling of 42240820280 in words is "forty-two billion, two hundred forty million, eight hundred twenty thousand, two hundred eighty".