40009087389448 has 16 divisors (see below), whose sum is σ = 75018662275500. Its totient is φ = 20004110782656.

The previous prime is 40009087389389. The next prime is 40009087389473. The reversal of 40009087389448 is 84498378090004.

It can be written as a sum of positive squares in 2 ways, for example, as 32305787057124 + 7703300332324 = 5683818^2 + 2775482^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40009087389448.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53721063 + ... + 54460726.

Almost surely, 2^{40009087389448} is an apocalyptic number.

It is an amenable number.

40009087389448 is a deficient number, since it is larger than the sum of its proper divisors (35009574886052).

40009087389448 is a wasteful number, since it uses less digits than its factorization.

40009087389448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108228024 (or 108228020 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 64.

The spelling of 40009087389448 in words is "forty trillion, nine billion, eighty-seven million, three hundred eighty-nine thousand, four hundred forty-eight".