494469144 has 128 divisors (see below), whose sum is σ = 1486699200. Its totient is φ = 151372800.

The previous prime is 494469049. The next prime is 494469197. The reversal of 494469144 is 441964494.

494469144 is a `hidden beast` number, since 49 + 4 + 469 + 144 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 494469144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 822444 + ... + 823044.

Almost surely, 2^494469144 is an apocalyptic number.

494469144 is the 14064-th heptagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494469144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (743349600).

494469144 is an abundant number, since it is smaller than the sum of its proper divisors (992230056).

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

494469144 is a wasteful number, since it uses less digits than its factorization.

494469144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 912 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 494469144 is about 22236.6621595958. The cubic root of 494469144 is about 790.7631060362.

It can be divided in two parts, 4944 and 69144, that added together give a cube (74088 = 42³).

The spelling of 494469144 in words is "four hundred ninety-four million, four hundred sixty-nine thousand, one hundred forty-four".