2440420111 has 4 divisors (see below), whose sum is σ = 2440529424. Its totient is φ = 2440310800.

The previous prime is 2440420109. The next prime is 2440420121. The reversal of 2440420111 is 1110240442.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1110240442 = 2 ⋅555120221.

It is a cyclic number.

It is not a de Polignac number, because 2440420111 - 2¹ = 2440420109 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 (2440420121) 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, 7750 + ... + 70291.

It is an arithmetic number, because the mean of its divisors is an integer number (610132356).

Almost surely, 2^2440420111 is an apocalyptic number.

2440420111 is a deficient number, since it is larger than the sum of its proper divisors (109313).

2440420111 is an equidigital number, since it uses as much as digits as its factorization.

2440420111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109312.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2440420111 is about 49400.6084071846. The cubic root of 2440420111 is about 1346.3403600378.

Adding to 2440420111 its reverse (1110240442), we get a palindrome (3550660553).

The spelling of 2440420111 in words is "two billion, four hundred forty million, four hundred twenty thousand, one hundred eleven".