45501858018 has 24 divisors (see below), whose sum is σ = 98593076556. Its totient is φ = 15166406400.

The previous prime is 45501857987. The next prime is 45501858029. The reversal of 45501858018 is 81085810554.

45501858018 is a `hidden beast` number, since 4 + 5 + 50 + 1 + 8 + 580 + 18 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 45013138569 + 488719449 = 212163^2 + 22107^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295978 + ... + 422618.

Almost surely, 2^45501858018 is an apocalyptic number.

45501858018 is an abundant number, since it is smaller than the sum of its proper divisors (53091218538).

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

45501858018 is a wasteful number, since it uses less digits than its factorization.

45501858018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146610 (or 146607 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 45.

The spelling of 45501858018 in words is "forty-five billion, five hundred one million, eight hundred fifty-eight thousand, eighteen".