1344518436 has 24 divisors (see below), whose sum is σ = 3145411584. Its totient is φ = 447001120.

The previous prime is 1344518419. The next prime is 1344518437. The reversal of 1344518436 is 6348154431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1344518394 and 1344518403.

It is not an unprimeable number, because it can be changed into a prime (1344518437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141675 + ... + 150866.

It is an arithmetic number, because the mean of its divisors is an integer number (131058816).

Almost surely, 2^1344518436 is an apocalyptic number.

It is an amenable number.

1344518436 is an abundant number, since it is smaller than the sum of its proper divisors (1800893148).

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

1344518436 is a wasteful number, since it uses less digits than its factorization.

1344518436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292931 (or 292929 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 1344518436 is about 36667.6756285424. The cubic root of 1344518436 is about 1103.7115496935.

The spelling of 1344518436 in words is "one billion, three hundred forty-four million, five hundred eighteen thousand, four hundred thirty-six".