2017791424404 has 144 divisors (see below), whose sum is σ = 5880030793728. Its totient is φ = 571489841664.

The previous prime is 2017791424393. The next prime is 2017791424423. The reversal of 2017791424404 is 4044241977102.

2017791424404 is a `hidden beast` number, since 20 + 17 + 79 + 142 + 4 + 404 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2017791424404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38794864 + ... + 38846840.

Almost surely, 2^{2017791424404} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2017791424404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2940015396864).

2017791424404 is an abundant number, since it is smaller than the sum of its proper divisors (3862239369324).

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

2017791424404 is a wasteful number, since it uses less digits than its factorization.

2017791424404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53334 (or 53329 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 2017791424404 in words is "two trillion, seventeen billion, seven hundred ninety-one million, four hundred twenty-four thousand, four hundred four".