1802243400 has 48 divisors (see below), whose sum is σ = 5586956400. Its totient is φ = 480598080.

The previous prime is 1802243393. The next prime is 1802243447. The reversal of 1802243400 is 43422081.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1501270 + ... + 1502469.

It is an arithmetic number, because the mean of its divisors is an integer number (116394925).

Almost surely, 2^1802243400 is an apocalyptic number.

1802243400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1802243400 is an abundant number, since it is smaller than the sum of its proper divisors (3784713000).

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

1802243400 is a wasteful number, since it uses less digits than its factorization.

1802243400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003758 (or 3003749 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1802243400 is about 42452.8373610057. The cubic root of 1802243400 is about 1216.9455527153.

Adding to 1802243400 its reverse (43422081), we get a palindrome (1845665481).

The spelling of 1802243400 in words is "one billion, eight hundred two million, two hundred forty-three thousand, four hundred".