808454880 has 144 divisors (see below), whose sum is σ = 2766778560. Its totient is φ = 214969344.

The previous prime is 808454879. The next prime is 808454903. The reversal of 808454880 is 88454808.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 732409 + ... + 733511.

It is an arithmetic number, because the mean of its divisors is an integer number (19213740).

Almost surely, 2^808454880 is an apocalyptic number.

808454880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 808454880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1383389280).

808454880 is an abundant number, since it is smaller than the sum of its proper divisors (1958323680).

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

808454880 is a wasteful number, since it uses less digits than its factorization.

808454880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633 (or 1622 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 45.

The square root of 808454880 is about 28433.3409925742. The cubic root of 808454880 is about 931.5766526400.

The spelling of 808454880 in words is "eight hundred eight million, four hundred fifty-four thousand, eight hundred eighty".