498260640 has 48 divisors (see below), whose sum is σ = 1569522528. Its totient is φ = 132869376.

The previous prime is 498260603. The next prime is 498260647. The reversal of 498260640 is 46062894.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (498260647) 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, 518542 + ... + 519501.

It is an arithmetic number, because the mean of its divisors is an integer number (32698386).

Almost surely, 2^498260640 is an apocalyptic number.

498260640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

498260640 is an abundant number, since it is smaller than the sum of its proper divisors (1071261888).

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

498260640 is a wasteful number, since it uses less digits than its factorization.

498260640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038061 (or 1038053 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 498260640 is about 22321.7526193621. The cubic root of 498260640 is about 792.7791027343.

The spelling of 498260640 in words is "four hundred ninety-eight million, two hundred sixty thousand, six hundred forty".