1344640200 has 48 divisors (see below), whose sum is σ = 4168386480. Its totient is φ = 358570560.

The previous prime is 1344640181. The next prime is 1344640201. The reversal of 1344640200 is 20464431.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1344640201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1119934 + ... + 1121133.

It is an arithmetic number, because the mean of its divisors is an integer number (86841385).

Almost surely, 2^1344640200 is an apocalyptic number.

1344640200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344640200 is an abundant number, since it is smaller than the sum of its proper divisors (2823746280).

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

1344640200 is a wasteful number, since it uses less digits than its factorization.

1344640200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241086 (or 2241077 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1344640200 is about 36669.3359634450. The cubic root of 1344640200 is about 1103.7448672672.

The spelling of 1344640200 in words is "one billion, three hundred forty-four million, six hundred forty thousand, two hundred".