1162944538 has 48 divisors (see below), whose sum is σ = 2125116864. Its totient is φ = 475009920.

The previous prime is 1162944487. The next prime is 1162944557. The reversal of 1162944538 is 8354492611.

It is a junction number, because it is equal to n+sod(n) for n = 1162944494 and 1162944503.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 758833 + ... + 760363.

It is an arithmetic number, because the mean of its divisors is an integer number (44273268).

Almost surely, 2^1162944538 is an apocalyptic number.

1162944538 is a deficient number, since it is larger than the sum of its proper divisors (962172326).

1162944538 is a wasteful number, since it uses less digits than its factorization.

1162944538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907 (or 1900 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 1162944538 is about 34101.9726408899. The cubic root of 1162944538 is about 1051.6058686604.

The spelling of 1162944538 in words is "one billion, one hundred sixty-two million, nine hundred forty-four thousand, five hundred thirty-eight".