426656448 has 84 divisors (see below), whose sum is σ = 1243084128. Its totient is φ = 139875840.

The previous prime is 426656431. The next prime is 426656453. The reversal of 426656448 is 844656624.

426656448 is a `hidden beast` number, since 42 + 6 + 6 + 564 + 48 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29065 + ... + 41207.

Almost surely, 2^426656448 is an apocalyptic number.

426656448 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 426656448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621542064).

426656448 is an abundant number, since it is smaller than the sum of its proper divisors (816427680).

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

426656448 is a wasteful number, since it uses less digits than its factorization.

426656448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222 (or 12209 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 45.

The square root of 426656448 is about 20655.6638237555. The cubic root of 426656448 is about 752.8228129734.

The spelling of 426656448 in words is "four hundred twenty-six million, six hundred fifty-six thousand, four hundred forty-eight".