459155991760 has 80 divisors (see below), whose sum is σ = 1094514410880. Its totient is φ = 179038056960.

The previous prime is 459155991739. The next prime is 459155991809. The reversal of 459155991760 is 67199551954.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1619845 + ... + 1882075.

It is an arithmetic number, because the mean of its divisors is an integer number (13681430136).

Almost surely, 2^459155991760 is an apocalyptic number.

459155991760 is a gapful number since it is divisible by the number (40) 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 459155991760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547257205440).

459155991760 is an abundant number, since it is smaller than the sum of its proper divisors (635358419120).

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

459155991760 is a wasteful number, since it uses less digits than its factorization.

459155991760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262796 (or 262790 counting only the distinct ones).

The product of its (nonzero) digits is 15309000, while the sum is 61.

The spelling of 459155991760 in words is "four hundred fifty-nine billion, one hundred fifty-five million, nine hundred ninety-one thousand, seven hundred sixty".