1119638744 has 16 divisors (see below), whose sum is σ = 2399226000. Its totient is φ = 479845152.

The previous prime is 1119638719. The next prime is 1119638761. The reversal of 1119638744 is 4478369111.

It is a junction number, because it is equal to n+sod(n) for n = 1119638695 and 1119638704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9996719 + ... + 9996830.

It is an arithmetic number, because the mean of its divisors is an integer number (149951625).

Almost surely, 2^1119638744 is an apocalyptic number.

1119638744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1119638744 is an abundant number, since it is smaller than the sum of its proper divisors (1279587256).

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

1119638744 is a wasteful number, since it uses less digits than its factorization.

1119638744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19993562 (or 19993558 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 1119638744 is about 33461.0033322374. The cubic root of 1119638744 is about 1038.3871524317.

The spelling of 1119638744 in words is "one billion, one hundred nineteen million, six hundred thirty-eight thousand, seven hundred forty-four".