40212221130 has 96 divisors (see below), whose sum is σ = 106441283520. Its totient is φ = 10529867520.

The previous prime is 40212221123. The next prime is 40212221149. The reversal of 40212221130 is 3112221204.

It is a happy number.

40212221130 is a `hidden beast` number, since 402 + 1 + 22 + 211 + 30 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5481565 + ... + 5488895.

It is an arithmetic number, because the mean of its divisors is an integer number (1108763370).

Almost surely, 2^40212221130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40212221130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53220641760).

40212221130 is an abundant number, since it is smaller than the sum of its proper divisors (66229062390).

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

40212221130 is a wasteful number, since it uses less digits than its factorization.

40212221130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8436 (or 8433 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 40212221130 its reverse (3112221204), we get a palindrome (43324442334).

The spelling of 40212221130 in words is "forty billion, two hundred twelve million, two hundred twenty-one thousand, one hundred thirty".