42011255240 has 32 divisors (see below), whose sum is σ = 95392539000. Its totient is φ = 16650330624.

The previous prime is 42011255179. The next prime is 42011255257. The reversal of 42011255240 is 4255211024.

It can be written as a sum of positive squares in 4 ways, for example, as 36079482916 + 5931772324 = 189946^2 + 77018^2 .

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 7 ways as a sum of consecutive naturals, for example, 4813445 + ... + 4822164.

Almost surely, 2^42011255240 is an apocalyptic number.

42011255240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42011255240 is an abundant number, since it is smaller than the sum of its proper divisors (53381283760).

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

42011255240 is a wasteful number, since it uses less digits than its factorization.

42011255240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9635729 (or 9635725 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 42011255240 its reverse (4255211024), we get a palindrome (46266466264).

The spelling of 42011255240 in words is "forty-two billion, eleven million, two hundred fifty-five thousand, two hundred forty".