1144020396 has 12 divisors (see below), whose sum is σ = 2669380952. Its totient is φ = 381340128.

The previous prime is 1144020359. The next prime is 1144020433. The reversal of 1144020396 is 6930204411.

It is an interprime number because it is at equal distance from previous prime (1144020359) and next prime (1144020433).

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 47667505 + ... + 47667528.

Almost surely, 2^1144020396 is an apocalyptic number.

It is an amenable number.

1144020396 is an abundant number, since it is smaller than the sum of its proper divisors (1525360556).

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

1144020396 is a wasteful number, since it uses less digits than its factorization.

1144020396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95335040 (or 95335038 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1144020396 is about 33823.3705594224. The cubic root of 1144020396 is about 1045.8705217713.

The spelling of 1144020396 in words is "one billion, one hundred forty-four million, twenty thousand, three hundred ninety-six".