494041543245 has 64 divisors (see below), whose sum is σ = 911380377600. Its totient is φ = 253736159040.

The previous prime is 494041543223. The next prime is 494041543249. The reversal of 494041543245 is 542345140494.

494041543245 is a `hidden beast` number, since 4 + 9 + 40 + 41 + 543 + 24 + 5 = 666.

It is not a de Polignac number, because 494041543245 - 2¹¹ = 494041541197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 494041543245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494041543249) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 187185 + ... + 1011494.

It is an arithmetic number, because the mean of its divisors is an integer number (14240318400).

Almost surely, 2^494041543245 is an apocalyptic number.

494041543245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

494041543245 is a deficient number, since it is larger than the sum of its proper divisors (417338834355).

494041543245 is a wasteful number, since it uses less digits than its factorization.

494041543245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198807 (or 1198801 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 494041543245 in words is "four hundred ninety-four billion, forty-one million, five hundred forty-three thousand, two hundred forty-five".