498503440 has 40 divisors (see below), whose sum is σ = 1162247040. Its totient is φ = 198846336.

The previous prime is 498503419. The next prime is 498503441. The reversal of 498503440 is 44305894.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 498503440.

It is not an unprimeable number, because it can be changed into a prime (498503441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20871 + ... + 37849.

It is an arithmetic number, because the mean of its divisors is an integer number (29056176).

Almost surely, 2^498503440 is an apocalyptic number.

498503440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

498503440 is an abundant number, since it is smaller than the sum of its proper divisors (663743600).

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

498503440 is a wasteful number, since it uses less digits than its factorization.

498503440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17359 (or 17353 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 498503440 is about 22327.1905980130. The cubic root of 498503440 is about 792.9078542973.

The spelling of 498503440 in words is "four hundred ninety-eight million, five hundred three thousand, four hundred forty".