40102200 has 72 divisors (see below), whose sum is σ = 134682600. Its totient is φ = 10693440.

The previous prime is 40102199. The next prime is 40102213. The reversal of 40102200 is 220104.

40102200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 9340 + ... + 12939.

Almost surely, 2^40102200 is an apocalyptic number.

40102200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40102200 is an abundant number, since it is smaller than the sum of its proper divisors (94580400).

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

40102200 is a wasteful number, since it uses less digits than its factorization.

40102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22301 (or 22289 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 40102200 is about 6332.6297854841. The cubic root of 40102200 is about 342.2862075283.

Adding to 40102200 its reverse (220104), we get a palindrome (40322304).

The spelling of 40102200 in words is "forty million, one hundred two thousand, two hundred".