40120233151 has 4 divisors (see below), whose sum is σ = 40181673672. Its totient is φ = 40058792632.

The previous prime is 40120233089. The next prime is 40120233239. The reversal of 40120233151 is 15133202104.

It is a happy number.

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 40120233151 - 2⁹ = 40120232639 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 (40124233151) 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, 30719281 + ... + 30720586.

It is an arithmetic number, because the mean of its divisors is an integer number (10045418418).

Almost surely, 2^40120233151 is an apocalyptic number.

40120233151 is a deficient number, since it is larger than the sum of its proper divisors (61440521).

40120233151 is an equidigital number, since it uses as much as digits as its factorization.

40120233151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61440520.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 40120233151 its reverse (15133202104), we get a palindrome (55253435255).

The spelling of 40120233151 in words is "forty billion, one hundred twenty million, two hundred thirty-three thousand, one hundred fifty-one".