40235012443 has 4 divisors (see below), whose sum is σ = 40241581128. Its totient is φ = 40228443760.

The previous prime is 40235012423. The next prime is 40235012449. The reversal of 40235012443 is 34421053204.

It is a happy number.

40235012443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40235012443 - 2³³ = 31645077851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40235012449) 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, 3275146 + ... + 3287407.

It is an arithmetic number, because the mean of its divisors is an integer number (10060395282).

Almost surely, 2^40235012443 is an apocalyptic number.

40235012443 is a deficient number, since it is larger than the sum of its proper divisors (6568685).

40235012443 is an equidigital number, since it uses as much as digits as its factorization.

40235012443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6568684.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 40235012443 its reverse (34421053204), we get a palindrome (74656065647).

The spelling of 40235012443 in words is "forty billion, two hundred thirty-five million, twelve thousand, four hundred forty-three".