1144438632 has 48 divisors (see below), whose sum is σ = 3214323840. Its totient is φ = 381478896.

The previous prime is 1144438627. The next prime is 1144438639. The reversal of 1144438632 is 2368344411.

1144438632 is a `hidden beast` number, since 1 + 14 + 4 + 4 + 3 + 8 + 632 = 666.

1144438632 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1144438639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292408 + ... + 296295.

It is an arithmetic number, because the mean of its divisors is an integer number (66965080).

Almost surely, 2^1144438632 is an apocalyptic number.

1144438632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1144438632 is an abundant number, since it is smaller than the sum of its proper divisors (2069885208).

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

1144438632 is an equidigital number, since it uses as much as digits as its factorization.

1144438632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588724 (or 588708 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 1144438632 is about 33829.5526426230. The cubic root of 1144438632 is about 1045.9979575557.

The spelling of 1144438632 in words is "one billion, one hundred forty-four million, four hundred thirty-eight thousand, six hundred thirty-two".