40211133450 has 96 divisors (see below), whose sum is σ = 104163618816. Its totient is φ = 10246484160.

The previous prime is 40211133409. The next prime is 40211133511. The reversal of 40211133450 is 5433111204.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40211133450.

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, 3800067 + ... + 3810633.

It is an arithmetic number, because the mean of its divisors is an integer number (1085037696).

Almost surely, 2^40211133450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40211133450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52081809408).

40211133450 is an abundant number, since it is smaller than the sum of its proper divisors (63952485366).

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

40211133450 is a wasteful number, since it uses less digits than its factorization.

40211133450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11708 (or 11703 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 40211133450 its reverse (5433111204), we get a palindrome (45644244654).

The spelling of 40211133450 in words is "forty billion, two hundred eleven million, one hundred thirty-three thousand, four hundred fifty".