494274240 has 168 divisors, whose sum is σ = 1724119488. Its totient is φ = 129945600.

The previous prime is 494274233. The next prime is 494274241. The reversal of 494274240 is 42472494.

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 = 494274195 and 494274204.

It is not an unprimeable number, because it can be changed into a prime (494274241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209065 + ... + 211415.

It is an arithmetic number, because the mean of its divisors is an integer number (10262616).

Almost surely, 2^494274240 is an apocalyptic number.

494274240 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 494274240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (862059744).

494274240 is an abundant number, since it is smaller than the sum of its proper divisors (1229845248).

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

494274240 is a wasteful number, since it uses less digits than its factorization.

494274240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447 (or 2434 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 494274240 is about 22232.2792353821. The cubic root of 494274240 is about 790.6591944987.

The spelling of 494274240 in words is "four hundred ninety-four million, two hundred seventy-four thousand, two hundred forty".