494137872 has 60 divisors (see below), whose sum is σ = 1386959964. Its totient is φ = 164229120.

The previous prime is 494137871. The next prime is 494137907. The reversal of 494137872 is 278731494.

It can be written as a sum of positive squares in 2 ways, for example, as 83832336 + 410305536 = 9156^2 + 20256^2 .

It is not an unprimeable number, because it can be changed into a prime (494137871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45972 + ... + 55692.

Almost surely, 2^494137872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494137872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693479982).

494137872 is an abundant number, since it is smaller than the sum of its proper divisors (892822092).

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

494137872 is a wasteful number, since it uses less digits than its factorization.

494137872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10088 (or 10079 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 494137872 is about 22229.2121317873. The cubic root of 494137872 is about 790.5864747266.

The spelling of 494137872 in words is "four hundred ninety-four million, one hundred thirty-seven thousand, eight hundred seventy-two".