1826365990 has 16 divisors (see below), whose sum is σ = 3288489840. Its totient is φ = 730317280.

The previous prime is 1826365979. The next prime is 1826365999. The reversal of 1826365990 is 995636281.

It is a super-2 number, since 2×1826365990² = 6671225458857360200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1826365999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6945 + ... + 60835.

It is an arithmetic number, because the mean of its divisors is an integer number (205530615).

Almost surely, 2^1826365990 is an apocalyptic number.

1826365990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1826365990 is a deficient number, since it is larger than the sum of its proper divisors (1462123850).

1826365990 is a wasteful number, since it uses less digits than its factorization.

1826365990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57287.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 1826365990 is about 42736.0034397228. The cubic root of 1826365990 is about 1222.3510138875.

The spelling of 1826365990 in words is "one billion, eight hundred twenty-six million, three hundred sixty-five thousand, nine hundred ninety".