1791534551040 has 1248 divisors, whose sum is σ = 7266924144000. Its totient is φ = 417368899584.

The previous prime is 1791534551011. The next prime is 1791534551083. The reversal of 1791534551040 is 401554351971.

1791534551040 is a `hidden beast` number, since 1 + 7 + 9 + 1 + 53 + 4 + 551 + 0 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (1248).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 95 ways as a sum of consecutive naturals, for example, 1775554056 + ... + 1775555064.

Almost surely, 2^{1791534551040} is an apocalyptic number.

1791534551040 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 1791534551040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3633462072000).

1791534551040 is an abundant number, since it is smaller than the sum of its proper divisors (5475389592960).

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

1791534551040 is a wasteful number, since it uses less digits than its factorization.

1791534551040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092 (or 1051 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The spelling of 1791534551040 in words is "one trillion, seven hundred ninety-one billion, five hundred thirty-four million, five hundred fifty-one thousand, forty".