1344444420 has 48 divisors (see below), whose sum is σ = 4106668608. Its totient is φ = 325925760.

The previous prime is 1344444403. The next prime is 1344444443. The reversal of 1344444420 is 244444431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1017859 + ... + 1019178.

It is an arithmetic number, because the mean of its divisors is an integer number (85555596).

Almost surely, 2^1344444420 is an apocalyptic number.

1344444420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344444420 is an abundant number, since it is smaller than the sum of its proper divisors (2762224188).

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

1344444420 is a wasteful number, since it uses less digits than its factorization.

1344444420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037060 (or 2037058 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

The square root of 1344444420 is about 36666.6663333333. Note that the first 3 decimals coincide. The cubic root of 1344444420 is about 1103.6912961437.

Adding to 1344444420 its reverse (244444431), we get a palindrome (1588888851).

The spelling of 1344444420 in words is "one billion, three hundred forty-four million, four hundred forty-four thousand, four hundred twenty".