493646161240 has 32 divisors (see below), whose sum is σ = 1110725280000. Its totient is φ = 197454657024.

The previous prime is 493646161237. The next prime is 493646161241. The reversal of 493646161240 is 42161646394.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493646161241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2973961 + ... + 3135559.

It is an arithmetic number, because the mean of its divisors is an integer number (34710165000).

Almost surely, 2^493646161240 is an apocalyptic number.

493646161240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

493646161240 is an abundant number, since it is smaller than the sum of its proper divisors (617079118760).

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

493646161240 is a wasteful number, since it uses less digits than its factorization.

493646161240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237979 (or 237975 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 493646161240 in words is "four hundred ninety-three billion, six hundred forty-six million, one hundred sixty-one thousand, two hundred forty".