426573252 has 72 divisors (see below), whose sum is σ = 1236225536. Its totient is φ = 121492224.

The previous prime is 426573247. The next prime is 426573263. The reversal of 426573252 is 252375624.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82413 + ... + 87435.

Almost surely, 2^426573252 is an apocalyptic number.

426573252 is a gapful number since it is divisible by the number (42) 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 426573252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618112768).

426573252 is an abundant number, since it is smaller than the sum of its proper divisors (809652284).

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

426573252 is a wasteful number, since it uses less digits than its factorization.

426573252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5377 (or 5372 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 426573252 is about 20653.6498469399. The cubic root of 426573252 is about 752.7738774903.

The spelling of 426573252 in words is "four hundred twenty-six million, five hundred seventy-three thousand, two hundred fifty-two".