494457750 has 256 divisors, whose sum is σ = 1509580800. Its totient is φ = 119232000.

The previous prime is 494457739. The next prime is 494457757. The reversal of 494457750 is 57754494.

494457750 is a `hidden beast` number, since 494 + 45 + 77 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 494457696 and 494457705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494457757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3557181 + ... + 3557319.

It is an arithmetic number, because the mean of its divisors is an integer number (5896800).

Almost surely, 2^494457750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494457750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (754790400).

494457750 is an abundant number, since it is smaller than the sum of its proper divisors (1015123050).

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

494457750 is a wasteful number, since it uses less digits than its factorization.

494457750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 494457750 is about 22236.4059595970. The cubic root of 494457750 is about 790.7570321661.

The spelling of 494457750 in words is "four hundred ninety-four million, four hundred fifty-seven thousand, seven hundred fifty".