42255111440 has 40 divisors (see below), whose sum is σ = 99215857368. Its totient is φ = 16734694400.

The previous prime is 42255111401. The next prime is 42255111467. The reversal of 42255111440 is 4411155224.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9346248976 + 32908862464 = 96676^2 + 181408^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2606717 + ... + 2622876.

Almost surely, 2^42255111440 is an apocalyptic number.

42255111440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42255111440 is an abundant number, since it is smaller than the sum of its proper divisors (56960745928).

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

42255111440 is a wasteful number, since it uses less digits than its factorization.

42255111440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5229707 (or 5229701 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 42255111440 its reverse (4411155224), we get a palindrome (46666266664).

The spelling of 42255111440 in words is "forty-two billion, two hundred fifty-five million, one hundred eleven thousand, four hundred forty".