1163724444 has 36 divisors (see below), whose sum is σ = 3021143944. Its totient is φ = 377423712.

The previous prime is 1163724421. The next prime is 1163724473. The reversal of 1163724444 is 4444273611.

1163724444 is a `hidden beast` number, since 11 + 637 + 2 + 4 + 4 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 1163724399 and 1163724408.

It is a congruent 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, 435502 + ... + 438165.

Almost surely, 2^1163724444 is an apocalyptic number.

It is an amenable number.

1163724444 is an abundant number, since it is smaller than the sum of its proper divisors (1857419500).

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

1163724444 is a wasteful number, since it uses less digits than its factorization.

1163724444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873714 (or 873709 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 1163724444 is about 34113.4056347354. The cubic root of 1163724444 is about 1051.8408957627.

The spelling of 1163724444 in words is "one billion, one hundred sixty-three million, seven hundred twenty-four thousand, four hundred forty-four".