42421224240 has 60 divisors (see below), whose sum is σ = 142464613824. Its totient is φ = 11312326272.

The previous prime is 42421224239. The next prime is 42421224281. The reversal of 42421224240 is 4242212424.

42421224240 is a `hidden beast` number, since 4 + 24 + 212 + 2 + 424 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29458464 + ... + 29459903.

Almost surely, 2^42421224240 is an apocalyptic number.

42421224240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42421224240 is an abundant number, since it is smaller than the sum of its proper divisors (100043389584).

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

42421224240 is a wasteful number, since it uses less digits than its factorization.

42421224240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58918386 (or 58918377 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 42421224240 its reverse (4242212424), we get a palindrome (46663436664).

The spelling of 42421224240 in words is "forty-two billion, four hundred twenty-one million, two hundred twenty-four thousand, two hundred forty".