424122320 has 40 divisors (see below), whose sum is σ = 995320224. Its totient is φ = 168060032.

The previous prime is 424122319. The next prime is 424122337. The reversal of 424122320 is 23221424.

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 (20).

It is a junction number, because it is equal to n+sod(n) for n = 424122292 and 424122301.

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, 16214 + ... + 33333.

Almost surely, 2^424122320 is an apocalyptic number.

424122320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424122320 is an abundant number, since it is smaller than the sum of its proper divisors (571197904).

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

424122320 is a wasteful number, since it uses less digits than its factorization.

424122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49667 (or 49661 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 424122320 is about 20594.2302599539. The cubic root of 424122320 is about 751.3293874317.

Adding to 424122320 its reverse (23221424), we get a palindrome (447343744).

The spelling of 424122320 in words is "four hundred twenty-four million, one hundred twenty-two thousand, three hundred twenty".