498728064 has 32 divisors (see below), whose sum is σ = 1324747440. Its totient is φ = 166242560.

The previous prime is 498728063. The next prime is 498728081. The reversal of 498728064 is 460827894.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (498728063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649002 + ... + 649769.

Almost surely, 2^498728064 is an apocalyptic number.

It is an amenable number.

498728064 is an abundant number, since it is smaller than the sum of its proper divisors (826019376).

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

498728064 is a wasteful number, since it uses less digits than its factorization.

498728064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298788 (or 1298776 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 498728064 is about 22332.2203105737. The cubic root of 498728064 is about 793.0269302989.

The spelling of 498728064 in words is "four hundred ninety-eight million, seven hundred twenty-eight thousand, sixty-four".