1315432560 has 240 divisors, whose sum is σ = 4596518304. Its totient is φ = 309331968.

The previous prime is 1315432519. The next prime is 1315432597. The reversal of 1315432560 is 652345131.

1315432560 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1650082 + ... + 1650878.

Almost surely, 2^1315432560 is an apocalyptic number.

1315432560 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 1315432560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2298259152).

1315432560 is an abundant number, since it is smaller than the sum of its proper divisors (3281085744).

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

1315432560 is a wasteful number, since it uses less digits than its factorization.

1315432560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1315432560 is about 36268.8924562083. The cubic root of 1315432560 is about 1095.6946198406.

Adding to 1315432560 its reverse (652345131), we get a palindrome (1967777691).

The spelling of 1315432560 in words is "one billion, three hundred fifteen million, four hundred thirty-two thousand, five hundred sixty".