4111221440 has 28 divisors (see below), whose sum is σ = 9789846816. Its totient is φ = 1644488448.

The previous prime is 4111221407. The next prime is 4111221451. The reversal of 4111221440 is 441221114.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6423464 + ... + 6424103.

Almost surely, 2^4111221440 is an apocalyptic number.

4111221440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4111221440 is an abundant number, since it is smaller than the sum of its proper divisors (5678625376).

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

4111221440 is a wasteful number, since it uses less digits than its factorization.

4111221440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12847584 (or 12847574 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 4111221440 is about 64118.8072253376. The cubic root of 4111221440 is about 1601.9795082902.

Adding to 4111221440 its reverse (441221114), we get a palindrome (4552442554).

The spelling of 4111221440 in words is "four billion, one hundred eleven million, two hundred twenty-one thousand, four hundred forty".