40212333445 has 4 divisors (see below), whose sum is σ = 48254800140. Its totient is φ = 32169866752.

The previous prime is 40212333439. The next prime is 40212333463. The reversal of 40212333445 is 54433321204.

It is a happy number.

40212333445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29921042529 + 10291290916 = 172977^2 + 101446^2 .

It is a cyclic number.

It is not a de Polignac number, because 40212333445 - 2²¹ = 40210236293 is a prime.

It is a super-2 number, since 2×40212333445² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4021233340 + ... + 4021233349.

It is an arithmetic number, because the mean of its divisors is an integer number (12063700035).

Almost surely, 2^40212333445 is an apocalyptic number.

It is an amenable number.

40212333445 is a deficient number, since it is larger than the sum of its proper divisors (8042466695).

40212333445 is an equidigital number, since it uses as much as digits as its factorization.

40212333445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8042466694.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 40212333445 its reverse (54433321204), we get a palindrome (94645654649).

The spelling of 40212333445 in words is "forty billion, two hundred twelve million, three hundred thirty-three thousand, four hundred forty-five".