808240451 has 4 divisors (see below), whose sum is σ = 819312312. Its totient is φ = 797168592.

The previous prime is 808240441. The next prime is 808240457. The reversal of 808240451 is 154042808.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 808240451 - 2⁶ = 808240387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (808240457) 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, 5535821 + ... + 5535966.

It is an arithmetic number, because the mean of its divisors is an integer number (204828078).

Almost surely, 2^808240451 is an apocalyptic number.

808240451 is a deficient number, since it is larger than the sum of its proper divisors (11071861).

808240451 is a wasteful number, since it uses less digits than its factorization.

808240451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11071860.

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 808240451 is about 28429.5700108180. The cubic root of 808240451 is about 931.4942837005.

The spelling of 808240451 in words is "eight hundred eight million, two hundred forty thousand, four hundred fifty-one".