40053451541545 has 8 divisors (see below), whose sum is σ = 51761383530696. Its totient is φ = 29577933446016.

The previous prime is 40053451541539. The next prime is 40053451541569. The reversal of 40053451541545 is 54514515435004.

It can be written as a sum of positive squares in 4 ways, for example, as 2597631688089 + 37455819853456 = 1611717^2 + 6120116^2 .

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 40053451541545 - 2³⁵ = 40019091803177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40053451541495 and 40053451541504.

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, 308103473332 + ... + 308103473461.

It is an arithmetic number, because the mean of its divisors is an integer number (6470172941337).

Almost surely, 2^{40053451541545} is an apocalyptic number.

It is an amenable number.

40053451541545 is a deficient number, since it is larger than the sum of its proper divisors (11707931989151).

40053451541545 is a wasteful number, since it uses less digits than its factorization.

40053451541545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616206946811.

The product of its (nonzero) digits is 2400000, while the sum is 46.

Adding to 40053451541545 its reverse (54514515435004), we get a palindrome (94567966976549).

The spelling of 40053451541545 in words is "forty trillion, fifty-three billion, four hundred fifty-one million, five hundred forty-one thousand, five hundred forty-five".