1315402480 has 80 divisors (see below), whose sum is σ = 3499776000. Its totient is φ = 450406656.

The previous prime is 1315402469. The next prime is 1315402481. The reversal of 1315402480 is 842045131.

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 (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315402481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 838657 + ... + 840223.

It is an arithmetic number, because the mean of its divisors is an integer number (43747200).

Almost surely, 2^1315402480 is an apocalyptic number.

1315402480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315402480 is an abundant number, since it is smaller than the sum of its proper divisors (2184373520).

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

1315402480 is a wasteful number, since it uses less digits than its factorization.

1315402480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086 (or 3080 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1315402480 is about 36268.4777734054. The cubic root of 1315402480 is about 1095.6862680263.

The spelling of 1315402480 in words is "one billion, three hundred fifteen million, four hundred two thousand, four hundred eighty".