1138740024 has 16 divisors (see below), whose sum is σ = 2846850120. Its totient is φ = 379580000.

The previous prime is 1138740023. The next prime is 1138740059. The reversal of 1138740024 is 4200478311.

It is a junction number, because it is equal to n+sod(n) for n = 1138739973 and 1138740000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138740023) 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, 23723727 + ... + 23723774.

Almost surely, 2^1138740024 is an apocalyptic number.

It is an amenable number.

1138740024 is an abundant number, since it is smaller than the sum of its proper divisors (1708110096).

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

1138740024 is a wasteful number, since it uses less digits than its factorization.

1138740024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47447510 (or 47447506 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 1138740024 is about 33745.2222396001. Note that the first 4 decimals coincide. The cubic root of 1138740024 is about 1044.2589234625.

The spelling of 1138740024 in words is "one billion, one hundred thirty-eight million, seven hundred forty thousand, twenty-four".