424304540 has 48 divisors (see below), whose sum is σ = 974574720. Its totient is φ = 153890880.

The previous prime is 424304537. The next prime is 424304609. The reversal of 424304540 is 45403424.

It is a super-2 number, since 2×424304540² = 360068685329223200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89879 + ... + 94481.

It is an arithmetic number, because the mean of its divisors is an integer number (20303640).

Almost surely, 2^424304540 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 424304540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487287360).

424304540 is an abundant number, since it is smaller than the sum of its proper divisors (550270180).

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

424304540 is a wasteful number, since it uses less digits than its factorization.

424304540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5042 (or 5040 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 424304540 is about 20598.6538395110. The cubic root of 424304540 is about 751.4369724626.

Adding to 424304540 its reverse (45403424), we get a palindrome (469707964).

The spelling of 424304540 in words is "four hundred twenty-four million, three hundred four thousand, five hundred forty".