1119218440 has 64 divisors (see below), whose sum is σ = 2561880960. Its totient is φ = 439971840.

The previous prime is 1119218411. The next prime is 1119218453. The reversal of 1119218440 is 448129111.

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, 1638339 + ... + 1639021.

It is an arithmetic number, because the mean of its divisors is an integer number (40029390).

Almost surely, 2^1119218440 is an apocalyptic number.

1119218440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1119218440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1280940480).

1119218440 is an abundant number, since it is smaller than the sum of its proper divisors (1442662520).

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

1119218440 is a wasteful number, since it uses less digits than its factorization.

1119218440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1119218440 is about 33454.7222376752. The cubic root of 1119218440 is about 1038.2572019159.

The spelling of 1119218440 in words is "one billion, one hundred nineteen million, two hundred eighteen thousand, four hundred forty".