40344002100 has 108 divisors (see below), whose sum is σ = 131139669024. Its totient is φ = 10758394080.

The previous prime is 40344002093. The next prime is 40344002147. The reversal of 40344002100 is 120044304.

It is a tau number, because it is divible by the number of its divisors (108).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 805824 + ... + 854423.

Almost surely, 2^40344002100 is an apocalyptic number.

It is an amenable number.

40344002100 is an abundant number, since it is smaller than the sum of its proper divisors (90795666924).

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

40344002100 is a wasteful number, since it uses less digits than its factorization.

40344002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660276 (or 1660257 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 40344002100 its reverse (120044304), we get a palindrome (40464046404).

The spelling of 40344002100 in words is "forty billion, three hundred forty-four million, two thousand, one hundred".