40404011100 has 144 divisors (see below), whose sum is σ = 126381494400. Its totient is φ = 9931403520.

The previous prime is 40404011099. The next prime is 40404011111. The reversal of 40404011100 is 111040404.

It is a super-2 number, since 2×40404011100² (a number of 22 digits) contains 22 as substring.

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 40404011100.

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 47 ways as a sum of consecutive naturals, for example, 115111 + ... + 306689.

Almost surely, 2^40404011100 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 40404011100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63190747200).

40404011100 is an abundant number, since it is smaller than the sum of its proper divisors (85977483300).

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

40404011100 is a wasteful number, since it uses less digits than its factorization.

40404011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191652 (or 191645 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 40404011100 its reverse (111040404), we get a palindrome (40515051504).

The spelling of 40404011100 in words is "forty billion, four hundred four million, eleven thousand, one hundred".