424999943280 has 560 divisors, whose sum is σ = 1626279911424. Its totient is φ = 102387525120.

The previous prime is 424999943257. The next prime is 424999943281. The reversal of 424999943280 is 82349999424.

424999943280 is a `hidden beast` number, since 4 + 24 + 99 + 99 + 432 + 8 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424999943281) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 107131857 + ... + 107135823.

Almost surely, 2^424999943280 is an apocalyptic number.

424999943280 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 424999943280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (813139955712).

424999943280 is an abundant number, since it is smaller than the sum of its proper divisors (1201279968144).

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

424999943280 is a wasteful number, since it uses less digits than its factorization.

424999943280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176 (or 4155 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 63.

The spelling of 424999943280 in words is "four hundred twenty-four billion, nine hundred ninety-nine million, nine hundred forty-three thousand, two hundred eighty".