40038400182 has 16 divisors (see below), whose sum is σ = 87356509632. Its totient is φ = 12132848520.

The previous prime is 40038400163. The next prime is 40038400183. The reversal of 40038400182 is 28100483004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40038400183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303321148 + ... + 303321279.

It is an arithmetic number, because the mean of its divisors is an integer number (5459781852).

Almost surely, 2^40038400182 is an apocalyptic number.

40038400182 is an abundant number, since it is smaller than the sum of its proper divisors (47318109450).

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

40038400182 is a wasteful number, since it uses less digits than its factorization.

40038400182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606642443.

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 40038400182 its reverse (28100483004), we get a palindrome (68138883186).

The spelling of 40038400182 in words is "forty billion, thirty-eight million, four hundred thousand, one hundred eighty-two".