40211443420 has 12 divisors (see below), whose sum is σ = 84444031224. Its totient is φ = 16084577360.

The previous prime is 40211443417. The next prime is 40211443423. The reversal of 40211443420 is 2434411204.

It is an interprime number because it is at equal distance from previous prime (40211443417) and next prime (40211443423).

It is a super-2 number, since 2×40211443420² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40211443423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005286066 + ... + 1005286105.

It is an arithmetic number, because the mean of its divisors is an integer number (7037002602).

Almost surely, 2^40211443420 is an apocalyptic number.

It is an amenable number.

40211443420 is an abundant number, since it is smaller than the sum of its proper divisors (44232587804).

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

40211443420 is a wasteful number, since it uses less digits than its factorization.

40211443420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010572180 (or 2010572178 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 40211443420 its reverse (2434411204), we get a palindrome (42645854624).

It can be divided in two parts, 4021 and 1443420, that added together give a palindrome (1447441).

The spelling of 40211443420 in words is "forty billion, two hundred eleven million, four hundred forty-three thousand, four hundred twenty".