42305305240 has 32 divisors (see below), whose sum is σ = 103840295760. Its totient is φ = 15383747200.

The previous prime is 42305305187. The next prime is 42305305253. The reversal of 42305305240 is 4250350324.

It is a junction number, because it is equal to n+sod(n) for n = 42305305199 and 42305305208.

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, 48073771 + ... + 48074650.

Almost surely, 2^42305305240 is an apocalyptic number.

42305305240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42305305240 is an abundant number, since it is smaller than the sum of its proper divisors (61534990520).

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

42305305240 is a wasteful number, since it uses less digits than its factorization.

42305305240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96148443 (or 96148439 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 42305305240 its reverse (4250350324), we get a palindrome (46555655564).

The spelling of 42305305240 in words is "forty-two billion, three hundred five million, three hundred five thousand, two hundred forty".