424057872 has 80 divisors (see below), whose sum is σ = 1256364032. Its totient is φ = 120735360.

The previous prime is 424057867. The next prime is 424057889. The reversal of 424057872 is 278750424.

It is a self number, because there is not a number n which added to its sum of digits gives 424057872.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101097 + ... + 105207.

Almost surely, 2^424057872 is an apocalyptic number.

424057872 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424057872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628182016).

424057872 is an abundant number, since it is smaller than the sum of its proper divisors (832306160).

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

424057872 is a wasteful number, since it uses less digits than its factorization.

424057872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436 (or 4430 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 424057872 is about 20592.6654904119. The cubic root of 424057872 is about 751.2913291272.

The spelling of 424057872 in words is "four hundred twenty-four million, fifty-seven thousand, eight hundred seventy-two".