1481275518 has 16 divisors (see below), whose sum is σ = 3136818960. Its totient is φ = 464713856.

The previous prime is 1481275513. The next prime is 1481275531. The reversal of 1481275518 is 8155721841.

It is a self number, because there is not a number n which added to its sum of digits gives 1481275518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481275513) 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, 7261053 + ... + 7261256.

It is an arithmetic number, because the mean of its divisors is an integer number (196051185).

Almost surely, 2^1481275518 is an apocalyptic number.

1481275518 is an abundant number, since it is smaller than the sum of its proper divisors (1655543442).

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

1481275518 is a wasteful number, since it uses less digits than its factorization.

1481275518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14522331.

The product of its digits is 89600, while the sum is 42.

The square root of 1481275518 is about 38487.3423088682. The cubic root of 1481275518 is about 1139.9311331129.

The spelling of 1481275518 in words is "one billion, four hundred eighty-one million, two hundred seventy-five thousand, five hundred eighteen".