1344521040 has 80 divisors (see below), whose sum is σ = 4172465088. Its totient is φ = 358156288.

The previous prime is 1344521039. The next prime is 1344521099. The reversal of 1344521040 is 401254431.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1344521040.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 276712 + ... + 281528.

Almost surely, 2^1344521040 is an apocalyptic number.

1344521040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344521040 is an abundant number, since it is smaller than the sum of its proper divisors (2827944048).

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

1344521040 is a wasteful number, since it uses less digits than its factorization.

1344521040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5996 (or 5990 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1344521040 is about 36667.7111366390. The cubic root of 1344521040 is about 1103.7122622319.

Adding to 1344521040 its reverse (401254431), we get a palindrome (1745775471).

The spelling of 1344521040 in words is "one billion, three hundred forty-four million, five hundred twenty-one thousand, forty".