1797919264 has 48 divisors (see below), whose sum is σ = 3673215000. Its totient is φ = 865234944.

The previous prime is 1797919261. The next prime is 1797919273. The reversal of 1797919264 is 4629197971.

It can be written as a sum of positive squares in 4 ways, for example, as 823230864 + 974688400 = 28692^2 + 31220^2 .

It is not an unprimeable number, because it can be changed into a prime (1797919261) 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, 309862 + ... + 315610.

Almost surely, 2^1797919264 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 1797919264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1836607500).

1797919264 is an abundant number, since it is smaller than the sum of its proper divisors (1875295736).

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

1797919264 is a wasteful number, since it uses less digits than its factorization.

1797919264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6125 (or 6117 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 55.

The square root of 1797919264 is about 42401.8780716138. The cubic root of 1797919264 is about 1215.9714977738.

The spelling of 1797919264 in words is "one billion, seven hundred ninety-seven million, nine hundred nineteen thousand, two hundred sixty-four".