1114431440 has 20 divisors (see below), whose sum is σ = 2591053284. Its totient is φ = 445772544.

The previous prime is 1114431421. The next prime is 1114431457. The reversal of 1114431440 is 441344111.

It can be written as a sum of positive squares in 2 ways, for example, as 433638976 + 680792464 = 20824^2 + 26092^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 6965117 + ... + 6965276.

Almost surely, 2^1114431440 is an apocalyptic number.

1114431440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1114431440 is an abundant number, since it is smaller than the sum of its proper divisors (1476621844).

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

1114431440 is a wasteful number, since it uses less digits than its factorization.

1114431440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13930406 (or 13930400 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1114431440 is about 33383.1011141865. The cubic root of 1114431440 is about 1036.7748460610.

Adding to 1114431440 its reverse (441344111), we get a palindrome (1555775551).

The spelling of 1114431440 in words is "one billion, one hundred fourteen million, four hundred thirty-one thousand, four hundred forty".