42404224240 has 40 divisors (see below), whose sum is σ = 112674083040. Its totient is φ = 14538590976.

The previous prime is 42404224217. The next prime is 42404224253. The reversal of 42404224240 is 4242240424.

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

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 42404224199 and 42404224208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37860355 + ... + 37861474.

It is an arithmetic number, because the mean of its divisors is an integer number (2816852076).

Almost surely, 2^42404224240 is an apocalyptic number.

42404224240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42404224240 is an abundant number, since it is smaller than the sum of its proper divisors (70269858800).

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

42404224240 is a wasteful number, since it uses less digits than its factorization.

42404224240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75721849 (or 75721843 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 42404224240 its reverse (4242240424), we get a palindrome (46646464664).

The spelling of 42404224240 in words is "forty-two billion, four hundred four million, two hundred twenty-four thousand, two hundred forty".