1018344436 has 6 divisors (see below), whose sum is σ = 1782102770. Its totient is φ = 509172216.

The previous prime is 1018344407. The next prime is 1018344449. The reversal of 1018344436 is 6344438101.

It can be written as a sum of positive squares in only one way, i.e., 734084836 + 284259600 = 27094^2 + 16860^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127293051 + ... + 127293058.

Almost surely, 2^1018344436 is an apocalyptic number.

It is an amenable number.

1018344436 is a deficient number, since it is larger than the sum of its proper divisors (763758334).

1018344436 is a wasteful number, since it uses less digits than its factorization.

1018344436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254586113 (or 254586111 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 1018344436 is about 31911.5094597545. The cubic root of 1018344436 is about 1006.0777975399.

The spelling of 1018344436 in words is "one billion, eighteen million, three hundred forty-four thousand, four hundred thirty-six".