424039040 has 64 divisors (see below), whose sum is σ = 1057829760. Its totient is φ = 162235392.

The previous prime is 424039037. The next prime is 424039067. The reversal of 424039040 is 40930424.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317 + ... + 29123.

It is an arithmetic number, because the mean of its divisors is an integer number (16528590).

Almost surely, 2^424039040 is an apocalyptic number.

424039040 is a gapful number since it is divisible by the number (40) 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 424039040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528914880).

424039040 is an abundant number, since it is smaller than the sum of its proper divisors (633790720).

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

424039040 is a wasteful number, since it uses less digits than its factorization.

424039040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28849 (or 28837 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 424039040 is about 20592.2082351554. The cubic root of 424039040 is about 751.2802075888.

Adding to 424039040 its reverse (40930424), we get a palindrome (464969464).

The spelling of 424039040 in words is "four hundred twenty-four million, thirty-nine thousand, forty".