40379431073 has 8 divisors (see below), whose sum is σ = 40639054368. Its totient is φ = 40119953184.

The previous prime is 40379431039. The next prime is 40379431087. The reversal of 40379431073 is 37013497304.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40379431073 - 2¹² = 40379426977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40379431073.

It is not an unprimeable number, because it can be changed into a prime (40379431003) 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 7 ways as a sum of consecutive naturals, for example, 551186 + ... + 620132.

It is an arithmetic number, because the mean of its divisors is an integer number (5079881796).

Almost surely, 2^40379431073 is an apocalyptic number.

It is an amenable number.

40379431073 is a deficient number, since it is larger than the sum of its proper divisors (259623295).

40379431073 is a wasteful number, since it uses less digits than its factorization.

40379431073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72703.

The product of its (nonzero) digits is 190512, while the sum is 41.

The spelling of 40379431073 in words is "forty billion, three hundred seventy-nine million, four hundred thirty-one thousand, seventy-three".