40486916 has 6 divisors (see below), whose sum is σ = 70852110. Its totient is φ = 20243456.

The previous prime is 40486907. The next prime is 40486949. The reversal of 40486916 is 61968404.

It can be written as a sum of positive squares in only one way, i.e., 21529600 + 18957316 = 4640^2 + 4354^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40486916.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060861 + ... + 5060868.

It is an arithmetic number, because the mean of its divisors is an integer number (11808685).

Almost surely, 2^40486916 is an apocalyptic number.

It is an amenable number.

40486916 is a deficient number, since it is larger than the sum of its proper divisors (30365194).

40486916 is a wasteful number, since it uses less digits than its factorization.

40486916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10121733 (or 10121731 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 40486916 is about 6362.9329715156. The cubic root of 40486916 is about 343.3772874467.

The spelling of 40486916 in words is "forty million, four hundred eighty-six thousand, nine hundred sixteen".