1040320200 has 96 divisors (see below), whose sum is σ = 3257112960. Its totient is φ = 274656000.

The previous prime is 1040320181. The next prime is 1040320201. The reversal of 1040320200 is 20230401.

It is a super-2 number, since 2×1040320200² = 2164532237056080000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1040320201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52017 + ... + 69183.

It is an arithmetic number, because the mean of its divisors is an integer number (33928260).

Almost surely, 2^1040320200 is an apocalyptic number.

1040320200 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 1040320200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1628556480).

1040320200 is an abundant number, since it is smaller than the sum of its proper divisors (2216792760).

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

1040320200 is a wasteful number, since it uses less digits than its factorization.

1040320200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17287 (or 17278 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1040320200 is about 32253.9951013824. The cubic root of 1040320200 is about 1013.2633718820.

Adding to 1040320200 its reverse (20230401), we get a palindrome (1060550601).

It can be divided in two parts, 10403 and 20200, that added together give a palindrome (30603).

The spelling of 1040320200 in words is "one billion, forty million, three hundred twenty thousand, two hundred".