40446516 has 48 divisors (see below), whose sum is σ = 108380160. Its totient is φ = 11610720.

The previous prime is 40446491. The next prime is 40446517. The reversal of 40446516 is 61564404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40446517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5556 + ... + 10571.

It is an arithmetic number, because the mean of its divisors is an integer number (2257920).

Almost surely, 2^40446516 is an apocalyptic number.

It is an amenable number.

40446516 is an abundant number, since it is smaller than the sum of its proper divisors (67933644).

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

40446516 is a wasteful number, since it uses less digits than its factorization.

40446516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16164 (or 16162 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 40446516 is about 6359.7575425483. The cubic root of 40446516 is about 343.2630360575.

The spelling of 40446516 in words is "forty million, four hundred forty-six thousand, five hundred sixteen".