40143240184 has 16 divisors (see below), whose sum is σ = 75271186800. Its totient is φ = 20070923712.

The previous prime is 40143240167. The next prime is 40143240191. The reversal of 40143240184 is 48104234104.

It is a super-2 number, since 2×40143240184² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222837 + ... + 360475.

It is an arithmetic number, because the mean of its divisors is an integer number (4704449175).

Almost surely, 2^40143240184 is an apocalyptic number.

It is an amenable number.

40143240184 is a deficient number, since it is larger than the sum of its proper divisors (35127946616).

40143240184 is a wasteful number, since it uses less digits than its factorization.

40143240184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174102 (or 174098 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 40143240184 its reverse (48104234104), we get a palindrome (88247474288).

The spelling of 40143240184 in words is "forty billion, one hundred forty-three million, two hundred forty thousand, one hundred eighty-four".