497359440 has 100 divisors (see below), whose sum is σ = 1727425524. Its totient is φ = 132627456.

The previous prime is 497359427. The next prime is 497359441. The reversal of 497359440 is 44953794.

It is a happy number.

497359440 is a `hidden beast` number, since 497 + 35 + 94 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 70358544 + 427000896 = 8388^2 + 20664^2 .

It is a super-2 number, since 2×497359440² = 494732825114227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497359441) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 31897 + ... + 44856.

Almost surely, 2^497359440 is an apocalyptic number.

497359440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

497359440 is an abundant number, since it is smaller than the sum of its proper divisors (1230066084).

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

497359440 is a wasteful number, since it uses less digits than its factorization.

497359440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76778 (or 76763 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 497359440 is about 22301.5568963245. The cubic root of 497359440 is about 792.3008498917.

The spelling of 497359440 in words is "four hundred ninety-seven million, three hundred fifty-nine thousand, four hundred forty".