1119044538 has 16 divisors (see below), whose sum is σ = 2486765760. Its totient is φ = 373014828.

The previous prime is 1119044441. The next prime is 1119044557. The reversal of 1119044538 is 8354409111.

1119044538 is a `hidden beast` number, since 1 + 119 + 0 + 4 + 4 + 538 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10361470 + ... + 10361577.

It is an arithmetic number, because the mean of its divisors is an integer number (155422860).

Almost surely, 2^1119044538 is an apocalyptic number.

1119044538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1119044538 is an abundant number, since it is smaller than the sum of its proper divisors (1367721222).

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

1119044538 is a wasteful number, since it uses less digits than its factorization.

1119044538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20723058 (or 20723052 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1119044538 is about 33452.1230716378. The cubic root of 1119044538 is about 1038.2034249975.

The spelling of 1119044538 in words is "one billion, one hundred nineteen million, forty-four thousand, five hundred thirty-eight".