22541440455 has 32 divisors (see below), whose sum is σ = 40161470400. Its totient is φ = 11995762176.

The previous prime is 22541440451. The next prime is 22541440463. The reversal of 22541440455 is 55404414522.

22541440455 is a `hidden beast` number, since 22 + 541 + 4 + 40 + 4 + 55 = 666.

It is not a de Polignac number, because 22541440455 - 2² = 22541440451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22541440451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120990 + ... + 244379.

It is an arithmetic number, because the mean of its divisors is an integer number (1255045950).

Almost surely, 2^22541440455 is an apocalyptic number.

22541440455 is a deficient number, since it is larger than the sum of its proper divisors (17620029945).

22541440455 is a wasteful number, since it uses less digits than its factorization.

22541440455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365840 (or 365834 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 22541440455 its reverse (55404414522), we get a palindrome (77945854977).

The spelling of 22541440455 in words is "twenty-two billion, five hundred forty-one million, four hundred forty thousand, four hundred fifty-five".