45281610018 has 24 divisors (see below), whose sum is σ = 98517260556. Its totient is φ = 15031238400.

The previous prime is 45281609999. The next prime is 45281610029. The reversal of 45281610018 is 81001618254.

45281610018 is a `hidden beast` number, since 4 + 5 + 28 + 1 + 610 + 0 + 18 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 42426524529 + 2855085489 = 205977^2 + 53433^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5214843 + ... + 5223518.

Almost surely, 2^45281610018 is an apocalyptic number.

45281610018 is an abundant number, since it is smaller than the sum of its proper divisors (53235650538).

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

45281610018 is a wasteful number, since it uses less digits than its factorization.

45281610018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10438610 (or 10438607 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The spelling of 45281610018 in words is "forty-five billion, two hundred eighty-one million, six hundred ten thousand, eighteen".