40381104493 has 4 divisors (see below), whose sum is σ = 40402281600. Its totient is φ = 40359927388.

The previous prime is 40381104481. The next prime is 40381104509. The reversal of 40381104493 is 39440118304.

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 40381104493 - 2⁵ = 40381104461 is a prime.

It is a super-3 number, since 3×40381104493³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40381104893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10585693 + ... + 10589506.

It is an arithmetic number, because the mean of its divisors is an integer number (10100570400).

Almost surely, 2^40381104493 is an apocalyptic number.

It is an amenable number.

40381104493 is a deficient number, since it is larger than the sum of its proper divisors (21177107).

40381104493 is a wasteful number, since it uses less digits than its factorization.

40381104493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21177106.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 40381104493 in words is "forty billion, three hundred eighty-one million, one hundred four thousand, four hundred ninety-three".