40539068 has 6 divisors (see below), whose sum is σ = 70943376. Its totient is φ = 20269532.

The previous prime is 40539061. The next prime is 40539091. The reversal of 40539068 is 86093504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40539061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5067380 + ... + 5067387.

It is an arithmetic number, because the mean of its divisors is an integer number (11823896).

Almost surely, 2^40539068 is an apocalyptic number.

It is an amenable number.

40539068 is a deficient number, since it is larger than the sum of its proper divisors (30404308).

40539068 is a wasteful number, since it uses less digits than its factorization.

40539068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10134771 (or 10134769 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 40539068 is about 6367.0297627701. The cubic root of 40539068 is about 343.5246612193.

The spelling of 40539068 in words is "forty million, five hundred thirty-nine thousand, sixty-eight".