491053458 has 32 divisors (see below), whose sum is σ = 1124297856. Its totient is φ = 140064768.

The previous prime is 491053447. The next prime is 491053469. The reversal of 491053458 is 854350194.

It is an interprime number because it is at equal distance from previous prime (491053447) and next prime (491053469).

It is a super-2 number, since 2×491053458² = 482266997227515528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16210 + ... + 35282.

It is an arithmetic number, because the mean of its divisors is an integer number (35134308).

Almost surely, 2^491053458 is an apocalyptic number.

491053458 is an abundant number, since it is smaller than the sum of its proper divisors (633244398).

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

491053458 is a wasteful number, since it uses less digits than its factorization.

491053458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19698.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 491053458 is about 22159.7260362126. The cubic root of 491053458 is about 788.9380904034.

The spelling of 491053458 in words is "four hundred ninety-one million, fifty-three thousand, four hundred fifty-eight".