1194532471440 has 480 divisors, whose sum is σ = 5038062471936. Its totient is φ = 246401187840.

The previous prime is 1194532471427. The next prime is 1194532471519. The reversal of 1194532471440 is 441742354911.

1194532471440 is a `hidden beast` number, since 1 + 1 + 9 + 4 + 532 + 4 + 71 + 4 + 40 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7516644 + ... + 7673916.

Almost surely, 2^{1194532471440} is an apocalyptic number.

1194532471440 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 1194532471440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2519031235968).

1194532471440 is an abundant number, since it is smaller than the sum of its proper divisors (3843530000496).

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

1194532471440 is a wasteful number, since it uses less digits than its factorization.

1194532471440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157447 (or 157438 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 1194532471440 in words is "one trillion, one hundred ninety-four billion, five hundred thirty-two million, four hundred seventy-one thousand, four hundred forty".