1178371232640 has 1152 divisors, whose sum is σ = 4979714500800. Its totient is φ = 251443740672.

The previous prime is 1178371232639. The next prime is 1178371232641. The reversal of 1178371232640 is 462321738711.

1178371232640 is a `hidden beast` number, since 1 + 1 + 7 + 8 + 371 + 232 + 6 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (1178371232639) and next prime (1178371232641).

It is a tau number, because it is divible by the number of its divisors (1152).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1178371232641) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1062552406 + ... + 1062553514.

Almost surely, 2^{1178371232640} is an apocalyptic number.

1178371232640 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 1178371232640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2489857250400).

1178371232640 is an abundant number, since it is smaller than the sum of its proper divisors (3801343268160).

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

1178371232640 is a wasteful number, since it uses less digits than its factorization.

1178371232640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252 (or 1218 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 1178371232640 in words is "one trillion, one hundred seventy-eight billion, three hundred seventy-one million, two hundred thirty-two thousand, six hundred forty".