1826997120 has 320 divisors, whose sum is σ = 7029015840. Its totient is φ = 449556480.

The previous prime is 1826997119. The next prime is 1826997143. The reversal of 1826997120 is 217996281.

It is a tau number, because it is divible by the number of its divisors (320).

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 polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 672565 + ... + 675275.

Almost surely, 2^1826997120 is an apocalyptic number.

1826997120 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 1826997120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3514507920).

1826997120 is an abundant number, since it is smaller than the sum of its proper divisors (5202018720).

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

1826997120 is a wasteful number, since it uses less digits than its factorization.

1826997120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755 (or 2734 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 1826997120 is about 42743.3868569162. The cubic root of 1826997120 is about 1222.4917986578.

The spelling of 1826997120 in words is "one billion, eight hundred twenty-six million, nine hundred ninety-seven thousand, one hundred twenty".