2111314440 has 64 divisors (see below), whose sum is σ = 6609340800. Its totient is φ = 538537472.

The previous prime is 2111314399. The next prime is 2111314441. The reversal of 2111314440 is 444131112.

It is not an unprimeable number, because it can be changed into a prime (2111314441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379725 + ... + 385244.

It is an arithmetic number, because the mean of its divisors is an integer number (103270950).

Almost surely, 2^2111314440 is an apocalyptic number.

2111314440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111314440 is an abundant number, since it is smaller than the sum of its proper divisors (4498026360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111314440 is a wasteful number, since it uses less digits than its factorization.

2111314440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765006 (or 765002 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2111314440 is about 45949.0417745572. The cubic root of 2111314440 is about 1282.8748939171.

Adding to 2111314440 its reverse (444131112), we get a palindrome (2555445552).

It can be divided in two parts, 21113 and 14440, that added together give a palindrome (35553).

The spelling of 2111314440 in words is "two billion, one hundred eleven million, three hundred fourteen thousand, four hundred forty".