40115450043 has 16 divisors (see below), whose sum is σ = 59495001600. Its totient is φ = 26714516040.

The previous prime is 40115450033. The next prime is 40115450047. The reversal of 40115450043 is 34005451104.

It is a happy number.

40115450043 is a `hidden beast` number, since 4 + 0 + 1 + 154 + 500 + 4 + 3 = 666.

It is not a de Polignac number, because 40115450043 - 2¹⁸ = 40115187899 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 40115449989 and 40115450016.

It is not an unprimeable number, because it can be changed into a prime (40115450047) 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 15 ways as a sum of consecutive naturals, for example, 783543 + ... + 833168.

It is an arithmetic number, because the mean of its divisors is an integer number (3718437600).

Almost surely, 2^40115450043 is an apocalyptic number.

40115450043 is a deficient number, since it is larger than the sum of its proper divisors (19379551557).

40115450043 is a wasteful number, since it uses less digits than its factorization.

40115450043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617639 (or 1617633 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 40115450043 in words is "forty billion, one hundred fifteen million, four hundred fifty thousand, forty-three".