40433311379 has 4 divisors (see below), whose sum is σ = 40675427184. Its totient is φ = 40191195576.

The previous prime is 40433311339. The next prime is 40433311409. The reversal of 40433311379 is 97311333404.

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 40433311379 - 2²⁸ = 40164875923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40433311319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121057652 + ... + 121057985.

It is an arithmetic number, because the mean of its divisors is an integer number (10168856796).

Almost surely, 2^40433311379 is an apocalyptic number.

40433311379 is a deficient number, since it is larger than the sum of its proper divisors (242115805).

40433311379 is a wasteful number, since it uses less digits than its factorization.

40433311379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242115804.

The product of its (nonzero) digits is 81648, while the sum is 38.

The spelling of 40433311379 in words is "forty billion, four hundred thirty-three million, three hundred eleven thousand, three hundred seventy-nine".