40508043011 has 4 divisors (see below), whose sum is σ = 40508485632. Its totient is φ = 40507600392.

The previous prime is 40508042977. The next prime is 40508043029. The reversal of 40508043011 is 11034080504.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40508043011 - 2¹⁸ = 40507780867 is a prime.

It is a super-2 number, since 2×40508043011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40508043311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27395 + ... + 285948.

It is an arithmetic number, because the mean of its divisors is an integer number (10127121408).

Almost surely, 2^40508043011 is an apocalyptic number.

40508043011 is a deficient number, since it is larger than the sum of its proper divisors (442621).

40508043011 is a wasteful number, since it uses less digits than its factorization.

40508043011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442620.

The product of its (nonzero) digits is 1920, while the sum is 26.

The spelling of 40508043011 in words is "forty billion, five hundred eight million, forty-three thousand, eleven".