469681280 has 64 divisors (see below), whose sum is σ = 1125835200. Its totient is φ = 187370496.

The previous prime is 469681249. The next prime is 469681297. The reversal of 469681280 is 82186964.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321191 + ... + 322649.

It is an arithmetic number, because the mean of its divisors is an integer number (17591175).

Almost surely, 2^469681280 is an apocalyptic number.

469681280 is a gapful number since it is divisible by the number (40) 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 469681280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562917600).

469681280 is an abundant number, since it is smaller than the sum of its proper divisors (656153920).

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

469681280 is a wasteful number, since it uses less digits than its factorization.

469681280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981 (or 1969 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 469681280 is about 21672.1314134074. The cubic root of 469681280 is about 777.3222223576.

The spelling of 469681280 in words is "four hundred sixty-nine million, six hundred eighty-one thousand, two hundred eighty".