40099016 has 8 divisors (see below), whose sum is σ = 75185670. Its totient is φ = 20049504.

The previous prime is 40099001. The next prime is 40099049. The reversal of 40099016 is 61099004.

40099016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 35880100 + 4218916 = 5990^2 + 2054^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 40099016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2506181 + ... + 2506196.

Almost surely, 2^40099016 is an apocalyptic number.

It is an amenable number.

40099016 is a deficient number, since it is larger than the sum of its proper divisors (35086654).

40099016 is a wasteful number, since it uses less digits than its factorization.

40099016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5012383 (or 5012379 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 40099016 is about 6332.3783841460. The cubic root of 40099016 is about 342.2771484399.

The spelling of 40099016 in words is "forty million, ninety-nine thousand, sixteen".