1317055488 has 176 divisors, whose sum is σ = 4071728640. Its totient is φ = 370704384.

The previous prime is 1317055451. The next prime is 1317055507. The reversal of 1317055488 is 8845507131.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1569373 + ... + 1570211.

Almost surely, 2^1317055488 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 1317055488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2035864320).

1317055488 is an abundant number, since it is smaller than the sum of its proper divisors (2754673152).

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

1317055488 is an equidigital number, since it uses as much as digits as its factorization.

1317055488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 1317055488 is about 36291.2591129049. The cubic root of 1317055488 is about 1096.1450426973.

The spelling of 1317055488 in words is "one billion, three hundred seventeen million, fifty-five thousand, four hundred eighty-eight".