1318846464 has 228 divisors, whose sum is σ = 4198490296. Its totient is φ = 396361728.

The previous prime is 1318846447. The next prime is 1318846493. The reversal of 1318846464 is 4646488131.

1318846464 is a `hidden beast` number, since 1 + 3 + 188 + 4 + 6 + 464 = 666.

It is a super-4 number, since 4×1318846464⁴ (a number of 38 digits) contains 4444 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30670827 + ... + 30670869.

Almost surely, 2^1318846464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1318846464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2099245148).

1318846464 is an abundant number, since it is smaller than the sum of its proper divisors (2879643832).

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

1318846464 is an frugal number, since it uses more digits than its factorization.

1318846464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 61 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 1318846464 is about 36315.9257626733. The cubic root of 1318846464 is about 1096.6416758542.

The spelling of 1318846464 in words is "one billion, three hundred eighteen million, eight hundred forty-six thousand, four hundred sixty-four".