1179130487640 has 256 divisors, whose sum is σ = 4304463897600. Its totient is φ = 252244033536.

The previous prime is 1179130487627. The next prime is 1179130487663. The reversal of 1179130487640 is 467840319711.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2325472 + ... + 2786768.

It is an arithmetic number, because the mean of its divisors is an integer number (16814312100).

Almost surely, 2^{1179130487640} is an apocalyptic number.

1179130487640 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 1179130487640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2152231948800).

1179130487640 is an abundant number, since it is smaller than the sum of its proper divisors (3125333409960).

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

1179130487640 is a wasteful number, since it uses less digits than its factorization.

1179130487640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461514 (or 461510 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 1179130487640 in words is "one trillion, one hundred seventy-nine billion, one hundred thirty million, four hundred eighty-seven thousand, six hundred forty".