494445000 has 320 divisors, whose sum is σ = 1875899520. Its totient is φ = 105984000.

The previous prime is 494444989. The next prime is 494445013. The reversal of 494445000 is 544494.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1784862 + ... + 1785138.

It is an arithmetic number, because the mean of its divisors is an integer number (5862186).

Almost surely, 2^494445000 is an apocalyptic number.

494445000 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 494445000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (937949760).

494445000 is an abundant number, since it is smaller than the sum of its proper divisors (1381454520).

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

494445000 is a wasteful number, since it uses less digits than its factorization.

494445000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 494445000 is about 22236.1192657352. The cubic root of 494445000 is about 790.7502353341.

Adding to 494445000 its reverse (544494), we get a palindrome (494989494).

The spelling of 494445000 in words is "four hundred ninety-four million, four hundred forty-five thousand".