426202566 has 32 divisors (see below), whose sum is σ = 898439040. Its totient is φ = 134414784.

The previous prime is 426202561. The next prime is 426202573. The reversal of 426202566 is 665202624.

It is a super-3 number, since 3×426202566³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426202561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106681 + ... + 110603.

It is an arithmetic number, because the mean of its divisors is an integer number (28076220).

Almost surely, 2^426202566 is an apocalyptic number.

426202566 is an abundant number, since it is smaller than the sum of its proper divisors (472236474).

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

426202566 is a wasteful number, since it uses less digits than its factorization.

426202566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4900.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 426202566 is about 20644.6740347238. The cubic root of 426202566 is about 752.5557644204. Note that the first 3 decimals are identical.

The spelling of 426202566 in words is "four hundred twenty-six million, two hundred two thousand, five hundred sixty-six".