40222342100 has 18 divisors (see below), whose sum is σ = 87282482574. Its totient is φ = 16088936800.

The previous prime is 40222342079. The next prime is 40222342123. The reversal of 40222342100 is 124322204.

It can be written as a sum of positive squares in 3 ways, for example, as 408524944 + 39813817156 = 20212^2 + 199534^2 .

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

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 201111611 + ... + 201111810.

Almost surely, 2^40222342100 is an apocalyptic number.

It is an amenable number.

40222342100 is an abundant number, since it is smaller than the sum of its proper divisors (47060140474).

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

40222342100 is a wasteful number, since it uses less digits than its factorization.

40222342100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402223435 (or 402223428 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 40222342100 its reverse (124322204), we get a palindrome (40346664304).

The spelling of 40222342100 in words is "forty billion, two hundred twenty-two million, three hundred forty-two thousand, one hundred".