1317934464 has 384 divisors, whose sum is σ = 4605569280. Its totient is φ = 324280320.

The previous prime is 1317934433. The next prime is 1317934483. The reversal of 1317934464 is 4644397131.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 24866662 + ... + 24866714.

It is an arithmetic number, because the mean of its divisors is an integer number (11993670).

Almost surely, 2^1317934464 is an apocalyptic number.

1317934464 is a gapful number since it is divisible by the number (14) 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 1317934464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2302784640).

1317934464 is an abundant number, since it is smaller than the sum of its proper divisors (3287634816).

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

1317934464 is a wasteful number, since it uses less digits than its factorization.

1317934464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 105 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 1317934464 is about 36303.3671165637. The cubic root of 1317934464 is about 1096.3888367608.

The spelling of 1317934464 in words is "one billion, three hundred seventeen million, nine hundred thirty-four thousand, four hundred sixty-four".