40051145023 has 6 divisors (see below), whose sum is σ = 41162865576. Its totient is φ = 38968680312.

The previous prime is 40051145003. The next prime is 40051145033. The reversal of 40051145023 is 32054115004.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-40051145023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40051145003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14626515 + ... + 14629252.

It is an arithmetic number, because the mean of its divisors is an integer number (6860477596).

Almost surely, 2^40051145023 is an apocalyptic number.

40051145023 is a deficient number, since it is larger than the sum of its proper divisors (1111720553).

40051145023 is an equidigital number, since it uses as much as digits as its factorization.

40051145023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29255841 (or 29255804 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 40051145023 in words is "forty billion, fifty-one million, one hundred forty-five thousand, twenty-three".