1342315520 has 352 divisors, whose sum is σ = 4115747328. Its totient is φ = 408748032.

The previous prime is 1342315519. The next prime is 1342315543. The reversal of 1342315520 is 255132431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 1342315520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20034527 + ... + 20034593.

It is an arithmetic number, because the mean of its divisors is an integer number (11692464).

Almost surely, 2^1342315520 is an apocalyptic number.

1342315520 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 1342315520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2057873664).

1342315520 is an abundant number, since it is smaller than the sum of its proper divisors (2773431808).

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

1342315520 is a wasteful number, since it uses less digits than its factorization.

1342315520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1342315520 is about 36637.6243771345. The cubic root of 1342315520 is about 1103.1084309185.

Adding to 1342315520 its reverse (255132431), we get a palindrome (1597447951).

The spelling of 1342315520 in words is "one billion, three hundred forty-two million, three hundred fifteen thousand, five hundred twenty".