808844190 has 256 divisors, whose sum is σ = 2627665920. Its totient is φ = 154183680.

The previous prime is 808844149. The next prime is 808844221. The reversal of 808844190 is 91448808.

It is a super-2 number, since 2×808844190² = 1308457847393512200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1688371 + ... + 1688849.

It is an arithmetic number, because the mean of its divisors is an integer number (10264320).

Almost surely, 2^808844190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 808844190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1313832960).

808844190 is an abundant number, since it is smaller than the sum of its proper divisors (1818821730).

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

808844190 is a wasteful number, since it uses less digits than its factorization.

808844190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567.

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 808844190 is about 28440.1861808252. The cubic root of 808844190 is about 931.7261616671.

The spelling of 808844190 in words is "eight hundred eight million, eight hundred forty-four thousand, one hundred ninety".