424867440 has 80 divisors (see below), whose sum is σ = 1338726816. Its totient is φ = 111436800.

The previous prime is 424867439. The next prime is 424867441. The reversal of 424867440 is 44768424.

It is an interprime number because it is at equal distance from previous prime (424867439) and next prime (424867441).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424867441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130 + ... + 29150.

Almost surely, 2^424867440 is an apocalyptic number.

424867440 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 424867440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669363408).

424867440 is an abundant number, since it is smaller than the sum of its proper divisors (913859376).

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

424867440 is a wasteful number, since it uses less digits than its factorization.

424867440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29098 (or 29092 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 39.

The square root of 424867440 is about 20612.3128251053. The cubic root of 424867440 is about 751.7691214424.

The spelling of 424867440 in words is "four hundred twenty-four million, eight hundred sixty-seven thousand, four hundred forty".