40120142033 has 4 divisors (see below), whose sum is σ = 40685214528. Its totient is φ = 39555069540.

The previous prime is 40120142011. The next prime is 40120142053. The reversal of 40120142033 is 33024102104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40120142033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40120141996 and 40120142014.

It is not an unprimeable number, because it can be changed into a prime (40120142003) 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 3 ways as a sum of consecutive naturals, for example, 282536141 + ... + 282536282.

It is an arithmetic number, because the mean of its divisors is an integer number (10171303632).

Almost surely, 2^40120142033 is an apocalyptic number.

It is an amenable number.

40120142033 is a deficient number, since it is larger than the sum of its proper divisors (565072495).

40120142033 is an equidigital number, since it uses as much as digits as its factorization.

40120142033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565072494.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 40120142033 its reverse (33024102104), we get a palindrome (73144244137).

The spelling of 40120142033 in words is "forty billion, one hundred twenty million, one hundred forty-two thousand, thirty-three".