40211223500 has 96 divisors (see below), whose sum is σ = 101495721600. Its totient is φ = 13631692800.

The previous prime is 40211223487. The next prime is 40211223557. The reversal of 40211223500 is 532211204.

40211223500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246956 + ... + 376044.

It is an arithmetic number, because the mean of its divisors is an integer number (1057247100).

Almost surely, 2^40211223500 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 40211223500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50747860800).

40211223500 is an abundant number, since it is smaller than the sum of its proper divisors (61284498100).

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

40211223500 is a wasteful number, since it uses less digits than its factorization.

40211223500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129204 (or 129192 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 40211223500 its reverse (532211204), we get a palindrome (40743434704).

The spelling of 40211223500 in words is "forty billion, two hundred eleven million, two hundred twenty-three thousand, five hundred".