40520200 has 96 divisors (see below), whose sum is σ = 109100160. Its totient is φ = 13708800.

The previous prime is 40520167. The next prime is 40520213. The reversal of 40520200 is 202504.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144060 + ... + 144340.

It is an arithmetic number, because the mean of its divisors is an integer number (1136460).

Almost surely, 2^40520200 is an apocalyptic number.

40520200 is a gapful number since it is divisible by the number (40) 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 40520200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54550080).

40520200 is an abundant number, since it is smaller than the sum of its proper divisors (68579960).

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

40520200 is a wasteful number, since it uses less digits than its factorization.

40520200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 40520200 is about 6365.5478947220. The cubic root of 40520200 is about 343.4713576658.

Adding to 40520200 its reverse (202504), we get a palindrome (40722704).

The spelling of 40520200 in words is "forty million, five hundred twenty thousand, two hundred".