424818940 has 48 divisors (see below), whose sum is σ = 1097998272. Its totient is φ = 134447616.

The previous prime is 424818931. The next prime is 424818943. The reversal of 424818940 is 49818424.

It is a happy number.

It is a super-2 number, since 2×424818940² = 360942263565447200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 424818893 and 424818902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424818943) 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, 114889 + ... + 118528.

It is an arithmetic number, because the mean of its divisors is an integer number (22874964).

Almost surely, 2^424818940 is an apocalyptic number.

It is an amenable number.

424818940 is an abundant number, since it is smaller than the sum of its proper divisors (673179332).

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

424818940 is a wasteful number, since it uses less digits than its factorization.

424818940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233446 (or 233444 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 424818940 is about 20611.1363102571. The cubic root of 424818940 is about 751.7405147238.

The spelling of 424818940 in words is "four hundred twenty-four million, eight hundred eighteen thousand, nine hundred forty".