40448168585487 has 64 divisors (see below), whose sum is σ = 67353955401600. Its totient is φ = 23825888087040.

The previous prime is 40448168585441. The next prime is 40448168585597. The reversal of 40448168585487 is 78458586184404.

40448168585487 is a `hidden beast` number, since 4 + 0 + 4 + 4 + 8 + 1 + 68 + 5 + 85 + 487 = 666.

It is not a de Polignac number, because 40448168585487 - 2¹⁶ = 40448168519951 is a prime.

It is a super-3 number, since 3×40448168585487³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40448168585687) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25752912 + ... + 27278357.

It is an arithmetic number, because the mean of its divisors is an integer number (1052405553150).

Almost surely, 2^{40448168585487} is an apocalyptic number.

40448168585487 is a deficient number, since it is larger than the sum of its proper divisors (26905786816113).

40448168585487 is a wasteful number, since it uses less digits than its factorization.

40448168585487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53031385 (or 53031379 counting only the distinct ones).

The product of its (nonzero) digits is 1101004800, while the sum is 72.

The spelling of 40448168585487 in words is "forty trillion, four hundred forty-eight billion, one hundred sixty-eight million, five hundred eighty-five thousand, four hundred eighty-seven".