1144038786 has 24 divisors (see below), whose sum is σ = 2514995952. Its totient is φ = 346678200.

The previous prime is 1144038769. The next prime is 1144038799. The reversal of 1144038786 is 6878304411.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 787180 + ... + 788631.

It is an arithmetic number, because the mean of its divisors is an integer number (104791498).

Almost surely, 2^1144038786 is an apocalyptic number.

1144038786 is an abundant number, since it is smaller than the sum of its proper divisors (1370957166).

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

1144038786 is a wasteful number, since it uses less digits than its factorization.

1144038786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575838 (or 1575827 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 1144038786 is about 33823.6424117806. The cubic root of 1144038786 is about 1045.8761258251.

The spelling of 1144038786 in words is "one billion, one hundred forty-four million, thirty-eight thousand, seven hundred eighty-six".