1144413396 has 72 divisors (see below), whose sum is σ = 3480102080. Its totient is φ = 309764736.

The previous prime is 1144413373. The next prime is 1144413397. The reversal of 1144413396 is 6933144411.

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 a self number, because there is not a number n which added to its sum of digits gives 1144413396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144413397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114721 + ... + 124296.

Almost surely, 2^1144413396 is an apocalyptic number.

It is an amenable number.

1144413396 is an abundant number, since it is smaller than the sum of its proper divisors (2335688684).

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

1144413396 is a wasteful number, since it uses less digits than its factorization.

1144413396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239053 (or 239048 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 1144413396 is about 33829.1796530747. The cubic root of 1144413396 is about 1045.9902690705.

The spelling of 1144413396 in words is "one billion, one hundred forty-four million, four hundred thirteen thousand, three hundred ninety-six".