118440530493 has 16 divisors (see below), whose sum is σ = 167256777600. Its totient is φ = 74294908416.

The previous prime is 118440530473. The next prime is 118440530513. The reversal of 118440530493 is 394035044811.

It is an interprime number because it is at equal distance from previous prime (118440530473) and next prime (118440530513).

It is not a de Polignac number, because 118440530493 - 2¹⁴ = 118440514109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118440530473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137968 + ... + 505881.

It is an arithmetic number, because the mean of its divisors is an integer number (10453548600).

Almost surely, 2^118440530493 is an apocalyptic number.

It is an amenable number.

118440530493 is a deficient number, since it is larger than the sum of its proper divisors (48816247107).

118440530493 is a wasteful number, since it uses less digits than its factorization.

118440530493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647476.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 118440530493 in words is "one hundred eighteen billion, four hundred forty million, five hundred thirty thousand, four hundred ninety-three".