40143740015 has 8 divisors (see below), whose sum is σ = 48519053520. Its totient is φ = 31883948352.

The previous prime is 40143739981. The next prime is 40143740017. The reversal of 40143740015 is 51004734104.

It is a happy number.

40143740015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40143740015 - 2⁸ = 40143739759 is a prime.

It is a super-2 number, since 2×40143740015² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40143740015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40143740017) 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, 28879694 + ... + 28881083.

It is an arithmetic number, because the mean of its divisors is an integer number (6064881690).

Almost surely, 2^40143740015 is an apocalyptic number.

40143740015 is a deficient number, since it is larger than the sum of its proper divisors (8375313505).

40143740015 is a wasteful number, since it uses less digits than its factorization.

40143740015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57760921.

The product of its (nonzero) digits is 6720, while the sum is 29.

The spelling of 40143740015 in words is "forty billion, one hundred forty-three million, seven hundred forty thousand, fifteen".