1141400344 has 64 divisors (see below), whose sum is σ = 2479636800. Its totient is φ = 482463744.

The previous prime is 1141400339. The next prime is 1141400387. The reversal of 1141400344 is 4430041411.

It is a congruent number.

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, 2005692 + ... + 2006260.

It is an arithmetic number, because the mean of its divisors is an integer number (38744325).

Almost surely, 2^1141400344 is an apocalyptic number.

1141400344 is a gapful number since it is divisible by the number (14) 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 1141400344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1239818400).

1141400344 is an abundant number, since it is smaller than the sum of its proper divisors (1338236456).

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

1141400344 is a wasteful number, since it uses less digits than its factorization.

1141400344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1141400344 is about 33784.6169728177. The cubic root of 1141400344 is about 1045.0714888938.

Adding to 1141400344 its reverse (4430041411), we get a palindrome (5571441755).

The spelling of 1141400344 in words is "one billion, one hundred forty-one million, four hundred thousand, three hundred forty-four".