494974648320 has 480 divisors, whose sum is σ = 1691846714880. Its totient is φ = 123202437120.

The previous prime is 494974648291. The next prime is 494974648361. The reversal of 494974648320 is 23846479494.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331529494 + ... + 331530986.

It is an arithmetic number, because the mean of its divisors is an integer number (3524680656).

Almost surely, 2^494974648320 is an apocalyptic number.

494974648320 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 494974648320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (845923357440).

494974648320 is an abundant number, since it is smaller than the sum of its proper divisors (1196872066560).

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

494974648320 is a wasteful number, since it uses less digits than its factorization.

494974648320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 60.

The spelling of 494974648320 in words is "four hundred ninety-four billion, nine hundred seventy-four million, six hundred forty-eight thousand, three hundred twenty".