491572010 has 16 divisors (see below), whose sum is σ = 908744616. Its totient is φ = 191314368.

The previous prime is 491571967. The next prime is 491572019. The reversal of 491572010 is 10275194.

It can be written as a sum of positive squares in 4 ways, for example, as 441714289 + 49857721 = 21017^2 + 7061^2 .

It is not an unprimeable number, because it can be changed into a prime (491572019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663917 + ... + 664656.

Almost surely, 2^491572010 is an apocalyptic number.

491572010 is a deficient number, since it is larger than the sum of its proper divisors (417172606).

491572010 is a wasteful number, since it uses less digits than its factorization.

491572010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328617.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 491572010 is about 22171.4232741157. The cubic root of 491572010 is about 789.2156986742.

The spelling of 491572010 in words is "four hundred ninety-one million, five hundred seventy-two thousand, ten".