1149960644 has 12 divisors (see below), whose sum is σ = 2299921344. Its totient is φ = 492840264.

The previous prime is 1149960641. The next prime is 1149960667. The reversal of 1149960644 is 4460699411.

1149960644 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1149960595 and 1149960604.

It is not an unprimeable number, because it can be changed into a prime (1149960641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20534984 + ... + 20535039.

It is an arithmetic number, because the mean of its divisors is an integer number (191660112).

Almost surely, 2^1149960644 is an apocalyptic number.

1149960644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1149960644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1149960644 is a wasteful number, since it uses less digits than its factorization.

1149960644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41070034 (or 41070032 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 1149960644 is about 33911.0696380990. The cubic root of 1149960644 is about 1047.6776014788.

The spelling of 1149960644 in words is "one billion, one hundred forty-nine million, nine hundred sixty thousand, six hundred forty-four".