40121032200 has 96 divisors (see below), whose sum is σ = 125199159360. Its totient is φ = 10628064000.

The previous prime is 40121032183. The next prime is 40121032241. The reversal of 40121032200 is 223012104.

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 40121032200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130819 + ... + 312018.

It is an arithmetic number, because the mean of its divisors is an integer number (1304157910).

Almost surely, 2^40121032200 is an apocalyptic number.

40121032200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40121032200 is an abundant number, since it is smaller than the sum of its proper divisors (85078127160).

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

40121032200 is a wasteful number, since it uses less digits than its factorization.

40121032200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443007 (or 442998 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 40121032200 its reverse (223012104), we get a palindrome (40344044304).

The spelling of 40121032200 in words is "forty billion, one hundred twenty-one million, thirty-two thousand, two hundred".