40212144343 has 24 divisors (see below), whose sum is σ = 48869693280. Its totient is φ = 32949403200.

The previous prime is 40212144337. The next prime is 40212144359. The reversal of 40212144343 is 34344121204.

40212144343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40212144343 - 2²¹ = 40210047191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40212144143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3430 + ... + 283612.

It is an arithmetic number, because the mean of its divisors is an integer number (2036237220).

Almost surely, 2^40212144343 is an apocalyptic number.

40212144343 is a deficient number, since it is larger than the sum of its proper divisors (8657548937).

40212144343 is a wasteful number, since it uses less digits than its factorization.

40212144343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280327 (or 280320 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 40212144343 its reverse (34344121204), we get a palindrome (74556265547).

The spelling of 40212144343 in words is "forty billion, two hundred twelve million, one hundred forty-four thousand, three hundred forty-three".