40451043235 has 4 divisors (see below), whose sum is σ = 48541251888. Its totient is φ = 32360834584.

The previous prime is 40451043233. The next prime is 40451043271. The reversal of 40451043235 is 53234015404.

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 40451043235 - 2¹ = 40451043233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40451043197 and 40451043206.

It is not an unprimeable number, because it can be changed into a prime (40451043233) 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, 4045104319 + ... + 4045104328.

It is an arithmetic number, because the mean of its divisors is an integer number (12135312972).

Almost surely, 2^40451043235 is an apocalyptic number.

40451043235 is a deficient number, since it is larger than the sum of its proper divisors (8090208653).

40451043235 is an equidigital number, since it uses as much as digits as its factorization.

40451043235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8090208652.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 40451043235 its reverse (53234015404), we get a palindrome (93685058639).

The spelling of 40451043235 in words is "forty billion, four hundred fifty-one million, forty-three thousand, two hundred thirty-five".