400036200 has 48 divisors (see below), whose sum is σ = 1240114080. Its totient is φ = 106676160.

The previous prime is 400036199. The next prime is 400036201. The reversal of 400036200 is 2630004.

It is an interprime number because it is at equal distance from previous prime (400036199) and next prime (400036201).

It is a super-2 number, since 2×400036200² = 320057922620880000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 400036200.

It is not an unprimeable number, because it can be changed into a prime (400036201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 332764 + ... + 333963.

It is an arithmetic number, because the mean of its divisors is an integer number (25835710).

Almost surely, 2^400036200 is an apocalyptic number.

400036200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400036200 is an abundant number, since it is smaller than the sum of its proper divisors (840077880).

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

400036200 is a wasteful number, since it uses less digits than its factorization.

400036200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666746 (or 666737 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 400036200 is about 20000.9049795253. The cubic root of 400036200 is about 736.8285260476.

Adding to 400036200 its reverse (2630004), we get a palindrome (402666204).

The spelling of 400036200 in words is "four hundred million, thirty-six thousand, two hundred".