6424289280 has 448 divisors, whose sum is σ = 23607247680. Its totient is φ = 1656225792.

The previous prime is 6424289269. The next prime is 6424289357. The reversal of 6424289280 is 829824246.

6424289280 is a `hidden beast` number, since 64 + 2 + 428 + 92 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40918962 + ... + 40919118.

Almost surely, 2^6424289280 is an apocalyptic number.

6424289280 is a gapful number since it is divisible by the number (60) 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 6424289280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11803623840).

6424289280 is an abundant number, since it is smaller than the sum of its proper divisors (17182958400).

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

6424289280 is a wasteful number, since it uses less digits than its factorization.

6424289280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 6424289280 is about 80151.6642372446. The cubic root of 6424289280 is about 1858.9813360720.

The spelling of 6424289280 in words is "six billion, four hundred twenty-four million, two hundred eighty-nine thousand, two hundred eighty".