40516672 has 28 divisors (see below), whose sum is σ = 91887040. Its totient is φ = 17364096.

The previous prime is 40516649. The next prime is 40516673. The reversal of 40516672 is 27661504.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (40516673) 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, 44772 + ... + 45667.

It is an arithmetic number, because the mean of its divisors is an integer number (3281680).

Almost surely, 2^40516672 is an apocalyptic number.

It is an amenable number.

40516672 is an abundant number, since it is smaller than the sum of its proper divisors (51370368).

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

40516672 is an equidigital number, since it uses as much as digits as its factorization.

40516672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90458 (or 90448 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 40516672 is about 6365.2707719311. The cubic root of 40516672 is about 343.4613889578.

The spelling of 40516672 in words is "forty million, five hundred sixteen thousand, six hundred seventy-two".