42245235240 has 128 divisors (see below), whose sum is σ = 138722371200. Its totient is φ = 10228331520.

The previous prime is 42245235239. The next prime is 42245235299. The reversal of 42245235240 is 4253254224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126810 + ... + 317129.

It is an arithmetic number, because the mean of its divisors is an integer number (1083768525).

Almost surely, 2^42245235240 is an apocalyptic number.

42245235240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42245235240 is an abundant number, since it is smaller than the sum of its proper divisors (96477135960).

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

42245235240 is a wasteful number, since it uses less digits than its factorization.

42245235240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444027 (or 444023 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 42245235240 its reverse (4253254224), we get a palindrome (46498489464).

The spelling of 42245235240 in words is "forty-two billion, two hundred forty-five million, two hundred thirty-five thousand, two hundred forty".