491010048 has 144 divisors (see below), whose sum is σ = 1502504640. Its totient is φ = 153944064.

The previous prime is 491010019. The next prime is 491010101. The reversal of 491010048 is 840010194.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 312561 + ... + 314127.

It is an arithmetic number, because the mean of its divisors is an integer number (10434060).

Almost surely, 2^491010048 is an apocalyptic number.

491010048 is a gapful number since it is divisible by the number (48) 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 491010048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751252320).

491010048 is an abundant number, since it is smaller than the sum of its proper divisors (1011494592).

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

491010048 is a wasteful number, since it uses less digits than its factorization.

491010048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612 (or 1589 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 491010048 is about 22158.7465349464. The cubic root of 491010048 is about 788.9148418743.

The spelling of 491010048 in words is "four hundred ninety-one million, ten thousand, forty-eight".