1144231040 has 32 divisors (see below), whose sum is σ = 2735428860. Its totient is φ = 457692160.

The previous prime is 1144231037. The next prime is 1144231069. The reversal of 1144231040 is 401324411.

It can be written as a sum of positive squares in 2 ways, for example, as 1128422464 + 15808576 = 33592^2 + 3976^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 893291 + ... + 894570.

Almost surely, 2^1144231040 is an apocalyptic number.

1144231040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144231040 is an abundant number, since it is smaller than the sum of its proper divisors (1591197820).

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

1144231040 is an equidigital number, since it uses as much as digits as its factorization.

1144231040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787880 (or 1787868 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1144231040 is about 33826.4842985493. The cubic root of 1144231040 is about 1045.9347085145.

Adding to 1144231040 its reverse (401324411), we get a palindrome (1545555451).

The spelling of 1144231040 in words is "one billion, one hundred forty-four million, two hundred thirty-one thousand, forty".