1791265152 has 64 divisors (see below), whose sum is σ = 4800270960. Its totient is φ = 591790080.

The previous prime is 1791265141. The next prime is 1791265159. The reversal of 1791265152 is 2515621971.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 1791265152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1791265159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22752 + ... + 64032.

Almost surely, 2^1791265152 is an apocalyptic number.

1791265152 is a gapful number since it is divisible by the number (12) 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 1791265152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2400135480).

1791265152 is an abundant number, since it is smaller than the sum of its proper divisors (3009005808).

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

1791265152 is a wasteful number, since it uses less digits than its factorization.

1791265152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41411 (or 41399 counting only the distinct ones).

The product of its digits is 37800, while the sum is 39.

The square root of 1791265152 is about 42323.3405108812. The cubic root of 1791265152 is about 1214.4695369335.

The spelling of 1791265152 in words is "one billion, seven hundred ninety-one million, two hundred sixty-five thousand, one hundred fifty-two".