1344939456 has 168 divisors, whose sum is σ = 4211360640. Its totient is φ = 377599488.

The previous prime is 1344939443. The next prime is 1344939461. The reversal of 1344939456 is 6549394431.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 553861 + ... + 556283.

Almost surely, 2^1344939456 is an apocalyptic number.

1344939456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1344939456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2105680320).

1344939456 is an abundant number, since it is smaller than the sum of its proper divisors (2866421184).

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

1344939456 is a wasteful number, since it uses less digits than its factorization.

1344939456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511 (or 2494 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 48.

The square root of 1344939456 is about 36673.4162030210. The cubic root of 1344939456 is about 1103.8267423972.

The spelling of 1344939456 in words is "one billion, three hundred forty-four million, nine hundred thirty-nine thousand, four hundred fifty-six".