45240440081 has 8 divisors (see below), whose sum is σ = 45700406400. Its totient is φ = 44781290640.

The previous prime is 45240440041. The next prime is 45240440117. The reversal of 45240440081 is 18004404254.

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

It is a cyclic number.

It is not a de Polignac number, because 45240440081 - 2¹⁸ = 45240177937 is a prime.

It is a super-2 number, since 2×45240440081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45240440041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92585 + ... + 314726.

It is an arithmetic number, because the mean of its divisors is an integer number (5712550800).

Almost surely, 2^45240440081 is an apocalyptic number.

It is an amenable number.

45240440081 is a deficient number, since it is larger than the sum of its proper divisors (459966319).

45240440081 is a wasteful number, since it uses less digits than its factorization.

45240440081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408439.

The product of its (nonzero) digits is 20480, while the sum is 32.

The spelling of 45240440081 in words is "forty-five billion, two hundred forty million, four hundred forty thousand, eighty-one".