1350644436 has 48 divisors (see below), whose sum is σ = 3512806080. Its totient is φ = 448783200.

The previous prime is 1350644429. The next prime is 1350644437. The reversal of 1350644436 is 6344460531.

1350644436 is a `hidden beast` number, since 1 + 3 + 5 + 0 + 644 + 4 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1350644436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350644437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14511 + ... + 53961.

It is an arithmetic number, because the mean of its divisors is an integer number (73183460).

Almost surely, 2^1350644436 is an apocalyptic number.

It is an amenable number.

1350644436 is an abundant number, since it is smaller than the sum of its proper divisors (2162161644).

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

1350644436 is a wasteful number, since it uses less digits than its factorization.

1350644436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39781 (or 39773 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 1350644436 is about 36751.1147586029. The cubic root of 1350644436 is about 1105.3852825442.

The spelling of 1350644436 in words is "one billion, three hundred fifty million, six hundred forty-four thousand, four hundred thirty-six".