40581244445 has 8 divisors (see below), whose sum is σ = 55654278144. Its totient is φ = 27827139024.

The previous prime is 40581244387. The next prime is 40581244463. The reversal of 40581244445 is 54444218504.

40581244445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40581244445 - 2³² = 36286277149 is a prime.

It is a super-3 number, since 3×40581244445³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579732029 + ... + 579732098.

It is an arithmetic number, because the mean of its divisors is an integer number (6956784768).

Almost surely, 2^40581244445 is an apocalyptic number.

It is an amenable number.

40581244445 is a deficient number, since it is larger than the sum of its proper divisors (15073033699).

40581244445 is a wasteful number, since it uses less digits than its factorization.

40581244445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159464139.

The product of its (nonzero) digits is 409600, while the sum is 41.

The spelling of 40581244445 in words is "forty billion, five hundred eighty-one million, two hundred forty-four thousand, four hundred forty-five".