810201426 has 8 divisors (see below), whose sum is σ = 1620402864. Its totient is φ = 270067140.

The previous prime is 810201421. The next prime is 810201433. The reversal of 810201426 is 624102018.

It is a sphenic number, since it is the product of 3 distinct primes.

810201426 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 810201396 and 810201405.

It is not an unprimeable number, because it can be changed into a prime (810201421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67516780 + ... + 67516791.

It is an arithmetic number, because the mean of its divisors is an integer number (202550358).

Almost surely, 2^810201426 is an apocalyptic number.

810201426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

810201426 is a wasteful number, since it uses less digits than its factorization.

810201426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135033576.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 810201426 is about 28464.0374156584. The cubic root of 810201426 is about 932.2470141988.

The spelling of 810201426 in words is "eight hundred ten million, two hundred one thousand, four hundred twenty-six".