40120939374911 has 4 divisors (see below), whose sum is σ = 40120955053824. Its totient is φ = 40120923696000.

The previous prime is 40120939374851. The next prime is 40120939374913. The reversal of 40120939374911 is 11947393902104.

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 40120939374911 - 2¹⁰ = 40120939373887 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 (40120939374913) 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, 3008930 + ... + 9449631.

It is an arithmetic number, because the mean of its divisors is an integer number (10030238763456).

Almost surely, 2^{40120939374911} is an apocalyptic number.

40120939374911 is a deficient number, since it is larger than the sum of its proper divisors (15678913).

40120939374911 is a wasteful number, since it uses less digits than its factorization.

40120939374911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15678912.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The spelling of 40120939374911 in words is "forty trillion, one hundred twenty billion, nine hundred thirty-nine million, three hundred seventy-four thousand, nine hundred eleven".