494081280 has 432 divisors, whose sum is σ = 2135113344. Its totient is φ = 102481920.

The previous prime is 494081257. The next prime is 494081293. The reversal of 494081280 is 82180494.

It is a super-2 number, since 2×494081280² = 488232622492876800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 886762 + ... + 887318.

It is an arithmetic number, because the mean of its divisors is an integer number (4942392).

Almost surely, 2^494081280 is an apocalyptic number.

494081280 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 494081280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1067556672).

494081280 is an abundant number, since it is smaller than the sum of its proper divisors (1641032064).

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

494081280 is a wasteful number, since it uses less digits than its factorization.

494081280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 494081280 is about 22227.9391757311. The cubic root of 494081280 is about 790.5562924769.

The spelling of 494081280 in words is "four hundred ninety-four million, eighty-one thousand, two hundred eighty".