40235021645541 has 8 divisors (see below), whose sum is σ = 53646735848160. Its totient is φ = 26823327603312.

The previous prime is 40235021645527. The next prime is 40235021645549. The reversal of 40235021645541 is 14554612053204.

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

It is not a de Polignac number, because 40235021645541 - 2¹⁸ = 40235021383397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40235021645493 and 40235021645502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40235021645549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480486 + ... + 8983368.

It is an arithmetic number, because the mean of its divisors is an integer number (6705841981020).

Almost surely, 2^{40235021645541} is an apocalyptic number.

It is an amenable number.

40235021645541 is a deficient number, since it is larger than the sum of its proper divisors (13411714202619).

40235021645541 is a wasteful number, since it uses less digits than its factorization.

40235021645541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10080195.

The product of its (nonzero) digits is 576000, while the sum is 42.

Adding to 40235021645541 its reverse (14554612053204), we get a palindrome (54789633698745).

The spelling of 40235021645541 in words is "forty trillion, two hundred thirty-five billion, twenty-one million, six hundred forty-five thousand, five hundred forty-one".