1824421000 has 32 divisors (see below), whose sum is σ = 4269147480. Its totient is φ = 729768000.

The previous prime is 1824420991. The next prime is 1824421013. The reversal of 1824421000 is 1244281.

It can be written as a sum of positive squares in 4 ways, for example, as 377835844 + 1446585156 = 19438^2 + 38034^2 .

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, 911211 + ... + 913210.

Almost surely, 2^1824421000 is an apocalyptic number.

1824421000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1824421000 is an abundant number, since it is smaller than the sum of its proper divisors (2444726480).

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

1824421000 is a wasteful number, since it uses less digits than its factorization.

1824421000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824442 (or 1824428 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 1824421000 is about 42713.2415065867. The cubic root of 1824421000 is about 1221.9169451830.

Adding to 1824421000 its reverse (1244281), we get a palindrome (1825665281).

The spelling of 1824421000 in words is "one billion, eight hundred twenty-four million, four hundred twenty-one thousand".