1826825880 has 64 divisors (see below), whose sum is σ = 5978707200. Its totient is φ = 442866560.

The previous prime is 1826825863. The next prime is 1826825881. The reversal of 1826825880 is 885286281.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1826825881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690660 + ... + 693299.

It is an arithmetic number, because the mean of its divisors is an integer number (93417300).

Almost surely, 2^1826825880 is an apocalyptic number.

1826825880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1826825880 is an abundant number, since it is smaller than the sum of its proper divisors (4151881320).

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

1826825880 is a wasteful number, since it uses less digits than its factorization.

1826825880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383984 (or 1383980 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 48.

The square root of 1826825880 is about 42741.3836930907. The cubic root of 1826825880 is about 1222.4536037360.

The spelling of 1826825880 in words is "one billion, eight hundred twenty-six million, eight hundred twenty-five thousand, eight hundred eighty".