40427302505544 has 24 divisors (see below), whose sum is σ = 109490610952710. Its totient is φ = 13475767501824.

The previous prime is 40427302505543. The next prime is 40427302505549. The reversal of 40427302505544 is 44550520372404.

40427302505544 is a `hidden beast` number, since 4 + 0 + 4 + 2 + 73 + 0 + 25 + 0 + 554 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23590740420900 + 16836562084644 = 4857030^2 + 4103238^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 40427302505544.

It is not an unprimeable number, because it can be changed into a prime (40427302505543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280745156217 + ... + 280745156360.

Almost surely, 2^{40427302505544} is an apocalyptic number.

It is an amenable number.

40427302505544 is an abundant number, since it is smaller than the sum of its proper divisors (69063308447166).

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

40427302505544 is a wasteful number, since it uses less digits than its factorization.

40427302505544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561490312589 (or 561490312582 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 45.

Adding to 40427302505544 its reverse (44550520372404), we get a palindrome (84977822877948).

The spelling of 40427302505544 in words is "forty trillion, four hundred twenty-seven billion, three hundred two million, five hundred five thousand, five hundred forty-four".