201264426 has 80 divisors (see below), whose sum is σ = 501497568. Its totient is φ = 59810400.

The previous prime is 201264409. The next prime is 201264463. The reversal of 201264426 is 624462102.

201264426 is a `hidden beast` number, since 2 + 0 + 12 + 644 + 2 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 201264426.

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 39 ways as a sum of consecutive naturals, for example, 93381 + ... + 95511.

Almost surely, 2^201264426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201264426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250748784).

201264426 is an abundant number, since it is smaller than the sum of its proper divisors (300233142).

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

201264426 is a wasteful number, since it uses less digits than its factorization.

201264426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209 (or 2200 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 201264426 is about 14186.7693996907. The cubic root of 201264426 is about 586.0333609432.

The spelling of 201264426 in words is "two hundred one million, two hundred sixty-four thousand, four hundred twenty-six".