40516984 has 32 divisors (see below), whose sum is σ = 83941920. Its totient is φ = 18236416.

The previous prime is 40516981. The next prime is 40517023. The reversal of 40516984 is 48961504.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40516981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3349 + ... + 9604.

It is an arithmetic number, because the mean of its divisors is an integer number (2623185).

Almost surely, 2^40516984 is an apocalyptic number.

It is an amenable number.

40516984 is an abundant number, since it is smaller than the sum of its proper divisors (43424936).

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

40516984 is a wasteful number, since it uses less digits than its factorization.

40516984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12999 (or 12995 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 40516984 is about 6365.2952798751. The cubic root of 40516984 is about 343.4622705676.

The spelling of 40516984 in words is "forty million, five hundred sixteen thousand, nine hundred eighty-four".