40182263472 has 80 divisors (see below), whose sum is σ = 114167692800. Its totient is φ = 12100705536.

The previous prime is 40182263461. The next prime is 40182263507. The reversal of 40182263472 is 27436228104.

It is a happy number.

It is a super-2 number, since 2×40182263472² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 40182263472.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 655722 + ... + 714377.

It is an arithmetic number, because the mean of its divisors is an integer number (1427096160).

Almost surely, 2^40182263472 is an apocalyptic number.

It is an amenable number.

40182263472 is an abundant number, since it is smaller than the sum of its proper divisors (73985429328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40182263472 is a wasteful number, since it uses less digits than its factorization.

40182263472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370170 (or 1370164 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 40182263472 in words is "forty billion, one hundred eighty-two million, two hundred sixty-three thousand, four hundred seventy-two".