13541440441 has 8 divisors (see below), whose sum is σ = 13630996224. Its totient is φ = 13451926800.

The previous prime is 13541440433. The next prime is 13541440459. The reversal of 13541440441 is 14404414531.

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 13541440441 - 2³ = 13541440433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13541440421) 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, 879576 + ... + 894838.

It is an arithmetic number, because the mean of its divisors is an integer number (1703874528).

Almost surely, 2^13541440441 is an apocalyptic number.

It is an amenable number.

13541440441 is a deficient number, since it is larger than the sum of its proper divisors (89555783).

13541440441 is a wasteful number, since it uses less digits than its factorization.

13541440441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21071.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 13541440441 its reverse (14404414531), we get a palindrome (27945854972).

The spelling of 13541440441 in words is "thirteen billion, five hundred forty-one million, four hundred forty thousand, four hundred forty-one".