497829840 has 80 divisors (see below), whose sum is σ = 1555519488. Its totient is φ = 131701248.

The previous prime is 497829833. The next prime is 497829847. The reversal of 497829840 is 48928794.

It is an interprime number because it is at equal distance from previous prime (497829833) and next prime (497829847).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497829847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22314 + ... + 38646.

Almost surely, 2^497829840 is an apocalyptic number.

497829840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497829840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777759744).

497829840 is an abundant number, since it is smaller than the sum of its proper divisors (1057689648).

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

497829840 is a wasteful number, since it uses less digits than its factorization.

497829840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16476 (or 16470 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 497829840 is about 22312.1007527306. The cubic root of 497829840 is about 792.5505558742.

The spelling of 497829840 in words is "four hundred ninety-seven million, eight hundred twenty-nine thousand, eight hundred forty".