40131182364 has 48 divisors (see below), whose sum is σ = 115248526848. Its totient is φ = 10584047808.

The previous prime is 40131182363. The next prime is 40131182381. The reversal of 40131182364 is 46328113104.

It is a super-2 number, since 2×40131182364² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40131182363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18373992 + ... + 18376175.

It is an arithmetic number, because the mean of its divisors is an integer number (2401010976).

Almost surely, 2^40131182364 is an apocalyptic number.

It is an amenable number.

40131182364 is an abundant number, since it is smaller than the sum of its proper divisors (75117344484).

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

40131182364 is a wasteful number, since it uses less digits than its factorization.

40131182364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36750194 (or 36750192 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

Adding to 40131182364 its reverse (46328113104), we get a palindrome (86459295468).

The spelling of 40131182364 in words is "forty billion, one hundred thirty-one million, one hundred eighty-two thousand, three hundred sixty-four".