40543003893 has 32 divisors (see below), whose sum is σ = 64370073600. Its totient is φ = 22207582656.

The previous prime is 40543003883. The next prime is 40543003913. The reversal of 40543003893 is 39830034504.

It is not a de Polignac number, because 40543003893 - 2¹⁶ = 40542938357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40543003883) 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 31 ways as a sum of consecutive naturals, for example, 154821 + ... + 324122.

It is an arithmetic number, because the mean of its divisors is an integer number (2011564800).

Almost surely, 2^40543003893 is an apocalyptic number.

It is an amenable number.

40543003893 is a deficient number, since it is larger than the sum of its proper divisors (23827069707).

40543003893 is a wasteful number, since it uses less digits than its factorization.

40543003893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479121.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 40543003893 in words is "forty billion, five hundred forty-three million, three thousand, eight hundred ninety-three".