469149408 has 504 divisors, whose sum is σ = 1814572368. Its totient is φ = 116453376.

The previous prime is 469149397. The next prime is 469149413. The reversal of 469149408 is 804941964.

469149408 is a `hidden beast` number, since 469 + 149 + 40 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (504).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 27597016 + ... + 27597032.

It is an arithmetic number, because the mean of its divisors is an integer number (3600342).

Almost surely, 2^469149408 is an apocalyptic number.

469149408 is a gapful number since it is divisible by the number (48) 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 469149408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907286184).

469149408 is an abundant number, since it is smaller than the sum of its proper divisors (1345422960).

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

469149408 is a wasteful number, since it uses less digits than its factorization.

469149408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 469149408 is about 21659.8570632403. The cubic root of 469149408 is about 777.0286955905.

The spelling of 469149408 in words is "four hundred sixty-nine million, one hundred forty-nine thousand, four hundred eight".