1196938775640 has 128 divisors (see below), whose sum is σ = 3675259526400. Its totient is φ = 311681395200.

The previous prime is 1196938775633. The next prime is 1196938775653. The reversal of 1196938775640 is 465778396911.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21794215 + ... + 21849065.

It is an arithmetic number, because the mean of its divisors is an integer number (28712965050).

Almost surely, 2^{1196938775640} is an apocalyptic number.

1196938775640 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 1196938775640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1837629763200).

1196938775640 is an abundant number, since it is smaller than the sum of its proper divisors (2478320750760).

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

1196938775640 is a wasteful number, since it uses less digits than its factorization.

1196938775640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59137 (or 59133 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 66.

The spelling of 1196938775640 in words is "one trillion, one hundred ninety-six billion, nine hundred thirty-eight million, seven hundred seventy-five thousand, six hundred forty".