40872068 has 6 divisors (see below), whose sum is σ = 71526126. Its totient is φ = 20436032.

The previous prime is 40872067. The next prime is 40872071. The reversal of 40872068 is 86027804.

It can be written as a sum of positive squares in only one way, i.e., 37552384 + 3319684 = 6128^2 + 1822^2 .

It is not an unprimeable number, because it can be changed into a prime (40872067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5109005 + ... + 5109012.

It is an arithmetic number, because the mean of its divisors is an integer number (11921021).

Almost surely, 2^40872068 is an apocalyptic number.

It is an amenable number.

40872068 is a deficient number, since it is larger than the sum of its proper divisors (30654058).

40872068 is a wasteful number, since it uses less digits than its factorization.

40872068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10218021 (or 10218019 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 40872068 is about 6393.1266216148. The cubic root of 40872068 is about 344.4627021270.

The spelling of 40872068 in words is "forty million, eight hundred seventy-two thousand, sixty-eight".