40164270138447 has 64 divisors (see below), whose sum is σ = 69813493392384. Its totient is φ = 19931968235520.

The previous prime is 40164270138437. The next prime is 40164270138451. The reversal of 40164270138447 is 74483107246104.

40164270138447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40164270138447 - 2¹¹ = 40164270136399 is a prime.

It is a super-2 number, since 2×40164270138447² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 40164270138447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40164270138437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10964697 + ... + 14161677.

It is an arithmetic number, because the mean of its divisors is an integer number (1090835834256).

Almost surely, 2^{40164270138447} is an apocalyptic number.

40164270138447 is a deficient number, since it is larger than the sum of its proper divisors (29649223253937).

40164270138447 is a wasteful number, since it uses less digits than its factorization.

40164270138447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199728.

The product of its (nonzero) digits is 3612672, while the sum is 51.

The spelling of 40164270138447 in words is "forty trillion, one hundred sixty-four billion, two hundred seventy million, one hundred thirty-eight thousand, four hundred forty-seven".