491265370 has 32 divisors (see below), whose sum is σ = 917692416. Its totient is φ = 189148800.

The previous prime is 491265331. The next prime is 491265407. The reversal of 491265370 is 73562194.

It is a super-2 number, since 2×491265370² = 482683327522473800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55062 + ... + 63358.

It is an arithmetic number, because the mean of its divisors is an integer number (28677888).

Almost surely, 2^491265370 is an apocalyptic number.

491265370 is a deficient number, since it is larger than the sum of its proper divisors (426427046).

491265370 is a wasteful number, since it uses less digits than its factorization.

491265370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8526.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 491265370 is about 22164.5069875240. The cubic root of 491265370 is about 789.0515616913.

The spelling of 491265370 in words is "four hundred ninety-one million, two hundred sixty-five thousand, three hundred seventy".