494952280 has 128 divisors (see below), whose sum is σ = 1284984000. Its totient is φ = 170311680.

The previous prime is 494952277. The next prime is 494952281. The reversal of 494952280 is 82259494.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494952281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 374020 + ... + 375340.

Almost surely, 2^494952280 is an apocalyptic number.

494952280 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 494952280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642492000).

494952280 is an abundant number, since it is smaller than the sum of its proper divisors (790031720).

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

494952280 is a wasteful number, since it uses less digits than its factorization.

494952280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397 (or 1393 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 494952280 is about 22247.5230081913. The cubic root of 494952280 is about 791.0205685198.

The spelling of 494952280 in words is "four hundred ninety-four million, nine hundred fifty-two thousand, two hundred eighty".