1797649054720 has 176 divisors, whose sum is σ = 4333462776288. Its totient is φ = 715532533760.

The previous prime is 1797649054709. The next prime is 1797649054771. The reversal of 1797649054720 is 274509467971.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

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 15 ways as a sum of consecutive naturals, for example, 1375400307 + ... + 1375401613.

Almost surely, 2^{1797649054720} is an apocalyptic number.

1797649054720 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 1797649054720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2166731388144).

1797649054720 is an abundant number, since it is smaller than the sum of its proper divisors (2535813721568).

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

1797649054720 is a wasteful number, since it uses less digits than its factorization.

1797649054720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446 (or 2428 counting only the distinct ones).

The product of its (nonzero) digits is 26671680, while the sum is 61.

The spelling of 1797649054720 in words is "one trillion, seven hundred ninety-seven billion, six hundred forty-nine million, fifty-four thousand, seven hundred twenty".