424620512 has 72 divisors (see below), whose sum is σ = 902832840. Its totient is φ = 195989760.

The previous prime is 424620491. The next prime is 424620517. The reversal of 424620512 is 215026424.

It is a super-2 number, since 2×424620512² = 360605158422284288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424620517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3968363 + ... + 3968469.

It is an arithmetic number, because the mean of its divisors is an integer number (12539345).

Almost surely, 2^424620512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424620512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451416420).

424620512 is an abundant number, since it is smaller than the sum of its proper divisors (478212328).

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

424620512 is a wasteful number, since it uses less digits than its factorization.

424620512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 424620512 is about 20606.3221366648. The cubic root of 424620512 is about 751.6234534039.

Adding to 424620512 its reverse (215026424), we get a palindrome (639646936).

The spelling of 424620512 in words is "four hundred twenty-four million, six hundred twenty thousand, five hundred twelve".