489326509026 has 64 divisors (see below), whose sum is σ = 1116633600000. Its totient is φ = 158771104128.

The previous prime is 489326508967. The next prime is 489326509027. The reversal of 489326509026 is 620905623984.

It is a happy number.

489326509026 is a `hidden beast` number, since 4 + 8 + 93 + 26 + 509 + 0 + 26 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (489326509027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 309651 + ... + 1036598.

It is an arithmetic number, because the mean of its divisors is an integer number (17447400000).

Almost surely, 2^489326509026 is an apocalyptic number.

489326509026 is an abundant number, since it is smaller than the sum of its proper divisors (627307090974).

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

489326509026 is a wasteful number, since it uses less digits than its factorization.

489326509026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346440 (or 1346434 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 489326509026 in words is "four hundred eighty-nine billion, three hundred twenty-six million, five hundred nine thousand, twenty-six".