1344540416 has 18 divisors (see below), whose sum is σ = 2683829232. Its totient is φ = 672270080.

The previous prime is 1344540403. The next prime is 1344540433. The reversal of 1344540416 is 6140454431.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 2625800 + ... + 2626311.

It is an arithmetic number, because the mean of its divisors is an integer number (149101624).

Almost surely, 2^1344540416 is an apocalyptic number.

1344540416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1344540416 is a deficient number, since it is larger than the sum of its proper divisors (1339288816).

1344540416 is an frugal number, since it uses more digits than its factorization.

1344540416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5252127 (or 5252113 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 1344540416 is about 36667.9753463428. The cubic root of 1344540416 is about 1103.7175641016.

Adding to 1344540416 its reverse (6140454431), we get a palindrome (7484994847).

The spelling of 1344540416 in words is "one billion, three hundred forty-four million, five hundred forty thousand, four hundred sixteen".