494551455 has 32 divisors (see below), whose sum is σ = 813388800. Its totient is φ = 256493952.

The previous prime is 494551441. The next prime is 494551457. The reversal of 494551455 is 554155494.

It is a happy number.

It is not a de Polignac number, because 494551455 - 2⁴ = 494551439 is a prime.

It is a super-2 number, since 2×494551455² = 489162283285234050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494551457) 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 31 ways as a sum of consecutive naturals, for example, 76281 + ... + 82509.

It is an arithmetic number, because the mean of its divisors is an integer number (25418400).

Almost surely, 2^494551455 is an apocalyptic number.

494551455 is a deficient number, since it is larger than the sum of its proper divisors (318837345).

494551455 is a wasteful number, since it uses less digits than its factorization.

494551455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6383.

The product of its digits is 360000, while the sum is 42.

The square root of 494551455 is about 22238.5128774385. The cubic root of 494551455 is about 790.8069812989.

The spelling of 494551455 in words is "four hundred ninety-four million, five hundred fifty-one thousand, four hundred fifty-five".