1344623760 has 320 divisors, whose sum is σ = 4902543360. Its totient is φ = 338204160.

The previous prime is 1344623699. The next prime is 1344623767. The reversal of 1344623760 is 673264431.

It is a happy number.

1344623760 is a `hidden beast` number, since 134 + 462 + 3 + 7 + 60 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1344623767) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2879047 + ... + 2879513.

It is an arithmetic number, because the mean of its divisors is an integer number (15320448).

Almost surely, 2^1344623760 is an apocalyptic number.

1344623760 is a gapful number since it is divisible by the number (10) 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 1344623760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2451271680).

1344623760 is an abundant number, since it is smaller than the sum of its proper divisors (3557919600).

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

1344623760 is a wasteful number, since it uses less digits than its factorization.

1344623760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 1344623760 is about 36669.1117972606. Note that the first 3 decimals coincide. The cubic root of 1344623760 is about 1103.7403690033.

The spelling of 1344623760 in words is "one billion, three hundred forty-four million, six hundred twenty-three thousand, seven hundred sixty".