40182263473 has 4 divisors (see below), whose sum is σ = 43835196528. Its totient is φ = 36529330420.

The previous prime is 40182263461. The next prime is 40182263507. The reversal of 40182263473 is 37436228104.

It is a happy number.

40182263473 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40182263473 - 2²¹ = 40180166321 is a prime.

It is a super-2 number, since 2×40182263473² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40182260473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1826466511 + ... + 1826466532.

It is an arithmetic number, because the mean of its divisors is an integer number (10958799132).

Almost surely, 2^40182263473 is an apocalyptic number.

It is an amenable number.

40182263473 is a deficient number, since it is larger than the sum of its proper divisors (3652933055).

40182263473 is a wasteful number, since it uses less digits than its factorization.

40182263473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3652933054.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 40182263473 in words is "forty billion, one hundred eighty-two million, two hundred sixty-three thousand, four hundred seventy-three".