19790099159040 has 1152 divisors, whose sum is σ = 81492417377280. Its totient is φ = 4512227917824.

The previous prime is 19790099158993. The next prime is 19790099159053. The reversal of 19790099159040 is 4095199009791.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8482681714 + ... + 8482684046.

It is an arithmetic number, because the mean of its divisors is an integer number (70739945640).

Almost surely, 2^{19790099159040} is an apocalyptic number.

19790099159040 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 19790099159040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40746208688640).

19790099159040 is an abundant number, since it is smaller than the sum of its proper divisors (61702318218240).

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

19790099159040 is an equidigital number, since it uses as much as digits as its factorization.

19790099159040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869 (or 2837 counting only the distinct ones).

The product of its (nonzero) digits is 8266860, while the sum is 63.

The spelling of 19790099159040 in words is "nineteen trillion, seven hundred ninety billion, ninety-nine million, one hundred fifty-nine thousand, forty".