1194006397680 has 120 divisors (see below), whose sum is σ = 4095188016192. Its totient is φ = 311627192832.

The previous prime is 1194006397627. The next prime is 1194006397681. The reversal of 1194006397680 is 867936004911.

1194006397680 is a `hidden beast` number, since 1 + 19 + 400 + 63 + 97 + 6 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1194006397681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17608099 + ... + 17675778.

Almost surely, 2^{1194006397680} is an apocalyptic number.

1194006397680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1194006397680 is an abundant number, since it is smaller than the sum of its proper divisors (2901181618512).

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

1194006397680 is a wasteful number, since it uses less digits than its factorization.

1194006397680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35283943 (or 35283934 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 1194006397680 in words is "one trillion, one hundred ninety-four billion, six million, three hundred ninety-seven thousand, six hundred eighty".