1826790090 has 16 divisors (see below), whose sum is σ = 4384296288. Its totient is φ = 487144016.

The previous prime is 1826790089. The next prime is 1826790193. The reversal of 1826790090 is 900976281.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30446472 + ... + 30446531.

It is an arithmetic number, because the mean of its divisors is an integer number (274018518).

Almost surely, 2^1826790090 is an apocalyptic number.

1826790090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1826790090 is an abundant number, since it is smaller than the sum of its proper divisors (2557506198).

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

1826790090 is a wasteful number, since it uses less digits than its factorization.

1826790090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60893013.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 1826790090 is about 42740.9650101633. The cubic root of 1826790090 is about 1222.4456205084.

It can be divided in two parts, 18267900 and 90, that added together give a triangular number (18267990 = T₆₀₄₄).

The spelling of 1826790090 in words is "one billion, eight hundred twenty-six million, seven hundred ninety thousand, ninety".