1836025000 has 72 divisors (see below), whose sum is σ = 4318844670. Its totient is φ = 731700000.

The previous prime is 1836024959. The next prime is 1836025013. The reversal of 1836025000 is 5206381.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 3 ways, for example, as 2643876 + 1833381124 = 1626^2 + 42818^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6774865 + ... + 6775135.

Almost surely, 2^1836025000 is an apocalyptic number.

1836025000 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 1836025000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2159422335).

1836025000 is an abundant number, since it is smaller than the sum of its proper divisors (2482819670).

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

1836025000 is an frugal number, since it uses more digits than its factorization.

1836025000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1836025000 is about 42848.8622952815. The cubic root of 1836025000 is about 1224.5020883592.

Multiplying 1836025000 by its product of nonzero digits (1440), we get a square (2643876000000 = 1626000²).

The spelling of 1836025000 in words is "one billion, eight hundred thirty-six million, twenty-five thousand".