40069545524 has 24 divisors (see below), whose sum is σ = 70774731720. Its totient is φ = 19848356864.

The previous prime is 40069545463. The next prime is 40069545539. The reversal of 40069545524 is 42554596004.

It can be written as a sum of positive squares in 4 ways, for example, as 937584400 + 39131961124 = 30620^2 + 197818^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1024472 + ... + 1062864.

It is an arithmetic number, because the mean of its divisors is an integer number (2948947155).

Almost surely, 2^40069545524 is an apocalyptic number.

It is an amenable number.

40069545524 is a deficient number, since it is larger than the sum of its proper divisors (30705186196).

40069545524 is a wasteful number, since it uses less digits than its factorization.

40069545524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40819 (or 40817 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 40069545524 in words is "forty billion, sixty-nine million, five hundred forty-five thousand, five hundred twenty-four".