40140014544 has 60 divisors (see below), whose sum is σ = 128384335456. Its totient is φ = 11468575296.

The previous prime is 40140014521. The next prime is 40140014569. The reversal of 40140014544 is 44541004104.

It is a super-2 number, since 2×40140014544² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19909714 + ... + 19911729.

Almost surely, 2^40140014544 is an apocalyptic number.

It is an amenable number.

40140014544 is an abundant number, since it is smaller than the sum of its proper divisors (88244320912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40140014544 is a wasteful number, since it uses less digits than its factorization.

40140014544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39821464 (or 39821455 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 40140014544 its reverse (44541004104), we get a palindrome (84681018648).

The spelling of 40140014544 in words is "forty billion, one hundred forty million, fourteen thousand, five hundred forty-four".