1144040046 has 32 divisors (see below), whose sum is σ = 2415264000. Its totient is φ = 361262808.

The previous prime is 1144040039. The next prime is 1144040059. The reversal of 1144040046 is 6400404411.

It is a junction number, because it is equal to n+sod(n) for n = 1144039998 and 1144040025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27255 + ... + 55053.

It is an arithmetic number, because the mean of its divisors is an integer number (75477000).

Almost surely, 2^1144040046 is an apocalyptic number.

1144040046 is an abundant number, since it is smaller than the sum of its proper divisors (1271223954).

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

1144040046 is an equidigital number, since it uses as much as digits as its factorization.

1144040046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27861 (or 27823 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1144040046 is about 33823.6610378002. The cubic root of 1144040046 is about 1045.8765097875.

Adding to 1144040046 its reverse (6400404411), we get a palindrome (7544444457).

The spelling of 1144040046 in words is "one billion, one hundred forty-four million, forty thousand, forty-six".