40212332141 has 4 divisors (see below), whose sum is σ = 41960694432. Its totient is φ = 38463969852.

The previous prime is 40212332137. The next prime is 40212332143. The reversal of 40212332141 is 14123321204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40212332141 - 2² = 40212332137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 1748362267 = 40212332141 / (4 + 0 + 2 + 1 + 2 + 3 + 3 + 2 + 1 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40212332143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874181111 + ... + 874181156.

It is an arithmetic number, because the mean of its divisors is an integer number (10490173608).

Almost surely, 2^40212332141 is an apocalyptic number.

It is an amenable number.

40212332141 is a deficient number, since it is larger than the sum of its proper divisors (1748362291).

40212332141 is a wasteful number, since it uses less digits than its factorization.

40212332141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748362290.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 40212332141 its reverse (14123321204), we get a palindrome (54335653345).

The spelling of 40212332141 in words is "forty billion, two hundred twelve million, three hundred thirty-two thousand, one hundred forty-one".