424280064 has 144 divisors (see below), whose sum is σ = 1233120672. Its totient is φ = 128974848.

The previous prime is 424280041. The next prime is 424280117. The reversal of 424280064 is 460082424.

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, 5111767 + ... + 5111849.

It is an arithmetic number, because the mean of its divisors is an integer number (8563338).

Almost surely, 2^424280064 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 424280064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (616560336).

424280064 is an abundant number, since it is smaller than the sum of its proper divisors (808840608).

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

424280064 is an frugal number, since it uses more digits than its factorization.

424280064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 424280064 is about 20598.0597144488. The cubic root of 424280064 is about 751.4225233085.

The spelling of 424280064 in words is "four hundred twenty-four million, two hundred eighty thousand, sixty-four".