1141944480 has 288 divisors, whose sum is σ = 4220221824. Its totient is φ = 291050496.

The previous prime is 1141944467. The next prime is 1141944487. The reversal of 1141944480 is 844491411.

1141944480 = 36² + 37² + ... + 1507².

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1141944487) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 893602 + ... + 894878.

It is an arithmetic number, because the mean of its divisors is an integer number (14653548).

Almost surely, 2^1141944480 is an apocalyptic number.

1141944480 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 1141944480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2110110912).

1141944480 is an abundant number, since it is smaller than the sum of its proper divisors (3078277344).

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

1141944480 is a wasteful number, since it uses less digits than its factorization.

1141944480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330 (or 1310 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1141944480 is about 33792.6690274681. The cubic root of 1141944480 is about 1045.2375336654.

The spelling of 1141944480 in words is "one billion, one hundred forty-one million, nine hundred forty-four thousand, four hundred eighty".