494491253760 has 1056 divisors, whose sum is σ = 2100558035520. Its totient is φ = 109916061696.

The previous prime is 494491253749. The next prime is 494491253801. The reversal of 494491253760 is 67352194494.

494491253760 is a `hidden beast` number, since 4 + 9 + 4 + 49 + 1 + 2 + 537 + 60 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 494491253697 and 494491253706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 250628134 + ... + 250630106.

Almost surely, 2^494491253760 is an apocalyptic number.

494491253760 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 494491253760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1050279017760).

494491253760 is an abundant number, since it is smaller than the sum of its proper divisors (1606066781760).

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

494491253760 is a wasteful number, since it uses less digits than its factorization.

494491253760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058 (or 2027 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 494491253760 in words is "four hundred ninety-four billion, four hundred ninety-one million, two hundred fifty-three thousand, seven hundred sixty".