102481660440458 has 8 divisors (see below), whose sum is σ = 165547297634628. Its totient is φ = 47299227895584.

The previous prime is 102481660440457. The next prime is 102481660440473. The reversal of 102481660440458 is 854044066184201.

It can be written as a sum of positive squares in 2 ways, for example, as 101789474711929 + 692185728529 = 10089077^2 + 831977^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (102481660440457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1970801162291 + ... + 1970801162342.

Almost surely, 2^{102481660440458} is an apocalyptic number.

102481660440458 is a deficient number, since it is larger than the sum of its proper divisors (63065637194170).

102481660440458 is a wasteful number, since it uses less digits than its factorization.

102481660440458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3941602324648.

The product of its (nonzero) digits is 5898240, while the sum is 53.

The spelling of 102481660440458 in words is "one hundred two trillion, four hundred eighty-one billion, six hundred sixty million, four hundred forty thousand, four hundred fifty-eight".