424643004 has 36 divisors (see below), whose sum is σ = 1074353280. Its totient is φ = 141422400.

The previous prime is 424643003. The next prime is 424643033. The reversal of 424643004 is 400346424.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×424643004² = 360643361692288032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424643003) 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, 41829 + ... + 50979.

Almost surely, 2^424643004 is an apocalyptic number.

It is an amenable number.

424643004 is an abundant number, since it is smaller than the sum of its proper divisors (649710276).

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

424643004 is a wasteful number, since it uses less digits than its factorization.

424643004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10450 (or 10445 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 424643004 is about 20606.8678842759. The cubic root of 424643004 is about 751.6367242467.

Adding to 424643004 its reverse (400346424), we get a palindrome (824989428).

The spelling of 424643004 in words is "four hundred twenty-four million, six hundred forty-three thousand, four".