42210001240 has 32 divisors (see below), whose sum is σ = 103606367760. Its totient is φ = 15349091200.

The previous prime is 42210001237. The next prime is 42210001243. The reversal of 42210001240 is 4210001224.

It is an interprime number because it is at equal distance from previous prime (42210001237) and next prime (42210001243).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42210001243) by changing a digit.

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, 47965471 + ... + 47966350.

Almost surely, 2^42210001240 is an apocalyptic number.

42210001240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42210001240 is an abundant number, since it is smaller than the sum of its proper divisors (61396366520).

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

42210001240 is a wasteful number, since it uses less digits than its factorization.

42210001240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95931843 (or 95931839 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Subtracting from 42210001240 its sum of digits (16), we obtain a palindrome (42210001224).

Adding to 42210001240 its reverse (4210001224), we get a palindrome (46420002464).

The spelling of 42210001240 in words is "forty-two billion, two hundred ten million, one thousand, two hundred forty".