493093440 has 448 divisors, whose sum is σ = 2059960320. Its totient is φ = 108656640.

The previous prime is 493093411. The next prime is 493093457. The reversal of 493093440 is 44390394.

493093440 is a `hidden beast` number, since 4 + 9 + 309 + 344 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×493093440² = 486282281142067200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 493093395 and 493093404.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1874749 + ... + 1875011.

Almost surely, 2^493093440 is an apocalyptic number.

493093440 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 493093440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1029980160).

493093440 is an abundant number, since it is smaller than the sum of its proper divisors (1566866880).

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

493093440 is a wasteful number, since it uses less digits than its factorization.

493093440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 493093440 is about 22205.7073744567. The cubic root of 493093440 is about 790.0290754668.

The spelling of 493093440 in words is "four hundred ninety-three million, ninety-three thousand, four hundred forty".