40809098 has 16 divisors (see below), whose sum is σ = 66891744. Its totient is φ = 18518160.

The previous prime is 40809091. The next prime is 40809101. The reversal of 40809098 is 89090804.

40809098 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40809091) by changing a digit.

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, 16136 + ... + 18492.

It is an arithmetic number, because the mean of its divisors is an integer number (4180734).

Almost surely, 2^40809098 is an apocalyptic number.

40809098 is a deficient number, since it is larger than the sum of its proper divisors (26082646).

40809098 is a wasteful number, since it uses less digits than its factorization.

40809098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 40809098 is about 6388.1999029461. The cubic root of 40809098 is about 344.2857111210.

The spelling of 40809098 in words is "forty million, eight hundred nine thousand, ninety-eight".