40516208 has 20 divisors (see below), whose sum is σ = 82632360. Its totient is φ = 19191744.

The previous prime is 40516207. The next prime is 40516211. The reversal of 40516208 is 80261504.

It is a super-2 number, since 2×40516208² = 3283126221398528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40516207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66335 + ... + 66942.

It is an arithmetic number, because the mean of its divisors is an integer number (4131618).

Almost surely, 2^40516208 is an apocalyptic number.

It is an amenable number.

40516208 is an abundant number, since it is smaller than the sum of its proper divisors (42116152).

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

40516208 is a wasteful number, since it uses less digits than its factorization.

40516208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133304 (or 133298 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 40516208 is about 6365.2343240450. The cubic root of 40516208 is about 343.4600778375.

The spelling of 40516208 in words is "forty million, five hundred sixteen thousand, two hundred eight".