40143728376 has 24 divisors (see below), whose sum is σ = 108722597880. Its totient is φ = 13381242768.

The previous prime is 40143728321. The next prime is 40143728377. The reversal of 40143728376 is 67382734104.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×40143728376² (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 (40143728377) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 278775820 + ... + 278775963.

It is an arithmetic number, because the mean of its divisors is an integer number (4530108245).

Almost surely, 2^40143728376 is an apocalyptic number.

It is an amenable number.

40143728376 is an abundant number, since it is smaller than the sum of its proper divisors (68578869504).

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

40143728376 is a wasteful number, since it uses less digits than its factorization.

40143728376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557551795 (or 557551788 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

It can be divided in two parts, 40143728 and 376, that added together give a palindrome (40144104).

The spelling of 40143728376 in words is "forty billion, one hundred forty-three million, seven hundred twenty-eight thousand, three hundred seventy-six".