2111424234440 has 64 divisors (see below), whose sum is σ = 4876393270320. Its totient is φ = 822499200000.

The previous prime is 2111424234431. The next prime is 2111424234511. The reversal of 2111424234440 is 444324241112.

It can be written as a sum of positive squares in 8 ways, for example, as 671275430596 + 1440148803844 = 819314^2 + 1200062^2 .

It is a super-2 number, since 2×2111424234440² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2111424234397 and 2111424234406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4037411 + ... + 4530290.

Almost surely, 2^{2111424234440} is an apocalyptic number.

2111424234440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111424234440 is an abundant number, since it is smaller than the sum of its proper divisors (2764969035880).

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

2111424234440 is a wasteful number, since it uses less digits than its factorization.

2111424234440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8567874 (or 8567870 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 2111424234440 its reverse (444324241112), we get a palindrome (2555748475552).

The spelling of 2111424234440 in words is "two trillion, one hundred eleven billion, four hundred twenty-four million, two hundred thirty-four thousand, four hundred forty".