40143716 has 6 divisors (see below), whose sum is σ = 70251510. Its totient is φ = 20071856.

The previous prime is 40143703. The next prime is 40143721. The reversal of 40143716 is 61734104.

It can be written as a sum of positive squares in only one way, i.e., 39639616 + 504100 = 6296^2 + 710^2 .

It is a super-2 number, since 2×40143716² = 3223035868577312, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5017961 + ... + 5017968.

It is an arithmetic number, because the mean of its divisors is an integer number (11708585).

Almost surely, 2^40143716 is an apocalyptic number.

It is an amenable number.

40143716 is a deficient number, since it is larger than the sum of its proper divisors (30107794).

40143716 is a wasteful number, since it uses less digits than its factorization.

40143716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10035933 (or 10035931 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 40143716 is about 6335.9068806288. The cubic root of 40143716 is about 342.4042846183.

The spelling of 40143716 in words is "forty million, one hundred forty-three thousand, seven hundred sixteen".