1170400194040 has 256 divisors, whose sum is σ = 3323784222720. Its totient is φ = 360309565440.

The previous prime is 1170400194023. The next prime is 1170400194053. The reversal of 1170400194040 is 404910040711.

It is a super-2 number, since 2×1170400194040² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1170400193993 and 1170400194011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 125939634 + ... + 125948926.

It is an arithmetic number, because the mean of its divisors is an integer number (12983532120).

Almost surely, 2^{1170400194040} is an apocalyptic number.

1170400194040 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 1170400194040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1661892111360).

1170400194040 is an abundant number, since it is smaller than the sum of its proper divisors (2153384028680).

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

1170400194040 is a wasteful number, since it uses less digits than its factorization.

1170400194040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9822 (or 9818 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 1170400194040 in words is "one trillion, one hundred seventy billion, four hundred million, one hundred ninety-four thousand, forty".