42500403220 has 48 divisors (see below), whose sum is σ = 97422393600. Its totient is φ = 15445512320.

The previous prime is 42500403151. The next prime is 42500403227. The reversal of 42500403220 is 2230400524.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 42500403191 and 42500403200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42500403227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319461 + ... + 432499.

It is an arithmetic number, because the mean of its divisors is an integer number (2029633200).

Almost surely, 2^42500403220 is an apocalyptic number.

It is an amenable number.

42500403220 is an abundant number, since it is smaller than the sum of its proper divisors (54921990380).

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

42500403220 is a wasteful number, since it uses less digits than its factorization.

42500403220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114768 (or 114766 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 42500403220 its reverse (2230400524), we get a palindrome (44730803744).

The spelling of 42500403220 in words is "forty-two billion, five hundred million, four hundred three thousand, two hundred twenty".