1316877480 has 128 divisors (see below), whose sum is σ = 4397587200. Its totient is φ = 350528256.

The previous prime is 1316877473. The next prime is 1316877481. The reversal of 1316877480 is 847786131.

1316877480 is a `hidden beast` number, since 1 + 3 + 168 + 7 + 7 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1316877481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1076149 + ... + 1077371.

It is an arithmetic number, because the mean of its divisors is an integer number (34356150).

Almost surely, 2^1316877480 is an apocalyptic number.

1316877480 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 1316877480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2198793600).

1316877480 is an abundant number, since it is smaller than the sum of its proper divisors (3080709720).

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

1316877480 is a wasteful number, since it uses less digits than its factorization.

1316877480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240 (or 2230 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 1316877480 is about 36288.8065386560. The cubic root of 1316877480 is about 1096.0956569324.

The spelling of 1316877480 in words is "one billion, three hundred sixteen million, eight hundred seventy-seven thousand, four hundred eighty".