424742208 has 112 divisors (see below), whose sum is σ = 1241243136. Its totient is φ = 127106560.

The previous prime is 424742189. The next prime is 424742221. The reversal of 424742208 is 802247424.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174085 + ... + 176507.

It is an arithmetic number, because the mean of its divisors is an integer number (11082528).

Almost surely, 2^424742208 is an apocalyptic number.

424742208 is a gapful number since it is divisible by the number (48) 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 424742208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620621568).

424742208 is an abundant number, since it is smaller than the sum of its proper divisors (816500928).

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

424742208 is a wasteful number, since it uses less digits than its factorization.

424742208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532 (or 2522 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 33.

The square root of 424742208 is about 20609.2748052909. The cubic root of 424742208 is about 751.6952514983.

The spelling of 424742208 in words is "four hundred twenty-four million, seven hundred forty-two thousand, two hundred eight".