469893798144 has 81 divisors (see below), whose sum is σ = 1354914537249. Its totient is φ = 156620298240.

The previous prime is 469893798131. The next prime is 469893798173. The reversal of 469893798144 is 441897398964.

The square root of 469893798144 is 685488.

It is a perfect power (a square), and thus also a powerful number.

469893798144 is a `hidden beast` number, since 4 + 69 + 89 + 379 + 81 + 44 = 666.

It can be written as a sum of positive squares in only one way, i.e., 65804544 + 469827993600 = 8112^2 + 685440^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 32896284 + ... + 32910564.

Almost surely, 2^469893798144 is an apocalyptic number.

469893798144 is the 685488-th square number.

It is an amenable number.

469893798144 is an abundant number, since it is smaller than the sum of its proper divisors (885020739105).

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

469893798144 is an frugal number, since it uses more digits than its factorization.

469893798144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28584 (or 14286 counting only the distinct ones).

The product of its digits is 376233984, while the sum is 72.

The spelling of 469893798144 in words is "four hundred sixty-nine billion, eight hundred ninety-three million, seven hundred ninety-eight thousand, one hundred forty-four".