424640262 has 16 divisors (see below), whose sum is σ = 850394160. Its totient is φ = 141361152.

The previous prime is 424640233. The next prime is 424640267. The reversal of 424640262 is 262046424.

It is a super-2 number, since 2×424640262² = 360638704222857288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424640267) 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, 41403 + ... + 50630.

It is an arithmetic number, because the mean of its divisors is an integer number (53149635).

Almost surely, 2^424640262 is an apocalyptic number.

424640262 is an abundant number, since it is smaller than the sum of its proper divisors (425753898).

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

424640262 is a wasteful number, since it uses less digits than its factorization.

424640262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92807.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 424640262 is about 20606.8013529514. The cubic root of 424640262 is about 751.6351064232.

Adding to 424640262 its reverse (262046424), we get a palindrome (686686686).

The spelling of 424640262 in words is "four hundred twenty-four million, six hundred forty thousand, two hundred sixty-two".