1344042520 has 32 divisors (see below), whose sum is σ = 3183260400. Its totient is φ = 509321088.

The previous prime is 1344042499. The next prime is 1344042521. The reversal of 1344042520 is 252404431.

It is a happy number.

It is a super-6 number, since 6×1344042520⁶ (a number of 56 digits) contains 666666 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344042521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883479 + ... + 884998.

Almost surely, 2^1344042520 is an apocalyptic number.

1344042520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344042520 is an abundant number, since it is smaller than the sum of its proper divisors (1839217880).

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

1344042520 is a wasteful number, since it uses less digits than its factorization.

1344042520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768507 (or 1768503 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1344042520 is about 36661.1854691034. The cubic root of 1344042520 is about 1103.5813082726.

Adding to 1344042520 its reverse (252404431), we get a palindrome (1596446951).

The spelling of 1344042520 in words is "one billion, three hundred forty-four million, forty-two thousand, five hundred twenty".