42210312240 has 80 divisors (see below), whose sum is σ = 132695006976. Its totient is φ = 11097542400.

The previous prime is 42210312227. The next prime is 42210312293. The reversal of 42210312240 is 4221301224.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1221526 + ... + 1255605.

Almost surely, 2^42210312240 is an apocalyptic number.

42210312240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42210312240 is an abundant number, since it is smaller than the sum of its proper divisors (90484694736).

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

42210312240 is a wasteful number, since it uses less digits than its factorization.

42210312240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477218 (or 2477212 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 42210312240 its reverse (4221301224), we get a palindrome (46431613464).

The spelling of 42210312240 in words is "forty-two billion, two hundred ten million, three hundred twelve thousand, two hundred forty".