1178972222400 has 2016 divisors, whose sum is σ = 5453847360000. Its totient is φ = 239953674240.

The previous prime is 1178972222377. The next prime is 1178972222411. The reversal of 1178972222400 is 42222798711.

1178972222400 is a `hidden beast` number, since 1 + 17 + 8 + 9 + 7 + 2 + 222 + 400 = 666.

It is a tau number, because it is divible by the number of its divisors (2016).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1595361231 + ... + 1595361969.

Almost surely, 2^{1178972222400} is an apocalyptic number.

1178972222400 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 1178972222400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2726923680000).

1178972222400 is an abundant number, since it is smaller than the sum of its proper divisors (4274875137600).

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

1178972222400 is a wasteful number, since it uses less digits than its factorization.

1178972222400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 1178972222400 in words is "one trillion, one hundred seventy-eight billion, nine hundred seventy-two million, two hundred twenty-two thousand, four hundred".