40990098 has 16 divisors (see below), whose sum is σ = 83018880. Its totient is φ = 13490256.

The previous prime is 40990039. The next prime is 40990121. The reversal of 40990098 is 89009904.

40990098 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 7 ways as a sum of consecutive naturals, for example, 42765 + ... + 43712.

It is an arithmetic number, because the mean of its divisors is an integer number (5188680).

Almost surely, 2^40990098 is an apocalyptic number.

40990098 is an abundant number, since it is smaller than the sum of its proper divisors (42028782).

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

40990098 is a wasteful number, since it uses less digits than its factorization.

40990098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86561.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 40990098 is about 6402.3509744468. The cubic root of 40990098 is about 344.7939622527.

The spelling of 40990098 in words is "forty million, nine hundred ninety thousand, ninety-eight".