426334752 has 144 divisors (see below), whose sum is σ = 1271350080. Its totient is φ = 140527872.

The previous prime is 426334751. The next prime is 426334763. The reversal of 426334752 is 257433624.

426334752 is a `hidden beast` number, since 4 + 263 + 347 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×426334752² = 363522641525803008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (426334751) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 847333 + ... + 847835.

It is an arithmetic number, because the mean of its divisors is an integer number (8828820).

Almost surely, 2^426334752 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 426334752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635675040).

426334752 is an abundant number, since it is smaller than the sum of its proper divisors (845015328).

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

426334752 is a wasteful number, since it uses less digits than its factorization.

426334752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 617 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 426334752 is about 20647.8752417773. The cubic root of 426334752 is about 752.6335576747.

The spelling of 426334752 in words is "four hundred twenty-six million, three hundred thirty-four thousand, seven hundred fifty-two".