40240052100 has 144 divisors (see below), whose sum is σ = 129466713600. Its totient is φ = 10722188160.

The previous prime is 40240052089. The next prime is 40240052123. The reversal of 40240052100 is 125004204.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3880122 + ... + 3890478.

It is an arithmetic number, because the mean of its divisors is an integer number (899074400).

Almost surely, 2^40240052100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40240052100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64733356800).

40240052100 is an abundant number, since it is smaller than the sum of its proper divisors (89226661500).

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

40240052100 is a wasteful number, since it uses less digits than its factorization.

40240052100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11819 (or 11806 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

Adding to 40240052100 its reverse (125004204), we get a palindrome (40365056304).

The spelling of 40240052100 in words is "forty billion, two hundred forty million, fifty-two thousand, one hundred".