40212222554443 has 4 divisors (see below), whose sum is σ = 40214069461008. Its totient is φ = 40210375647880.

The previous prime is 40212222554423. The next prime is 40212222554501. The reversal of 40212222554443 is 34445522221204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40212222554443 - 2¹⁷ = 40212222423371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40212222554396 and 40212222554405.

It is not an unprimeable number, because it can be changed into a prime (40212222554423) 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, 923420623 + ... + 923464168.

It is an arithmetic number, because the mean of its divisors is an integer number (10053517365252).

Almost surely, 2^{40212222554443} is an apocalyptic number.

40212222554443 is a deficient number, since it is larger than the sum of its proper divisors (1846906565).

40212222554443 is a wasteful number, since it uses less digits than its factorization.

40212222554443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846906564.

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 40212222554443 its reverse (34445522221204), we get a palindrome (74657744775647).

The spelling of 40212222554443 in words is "forty trillion, two hundred twelve billion, two hundred twenty-two million, five hundred fifty-four thousand, four hundred forty-three".