40009665098 has 32 divisors (see below), whose sum is σ = 67376558592. Its totient is φ = 17693352000.

The previous prime is 40009665083. The next prime is 40009665107. The reversal of 40009665098 is 89056690004.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 164336 + ... + 327147.

It is an arithmetic number, because the mean of its divisors is an integer number (2105517456).

Almost surely, 2^40009665098 is an apocalyptic number.

40009665098 is a deficient number, since it is larger than the sum of its proper divisors (27366893494).

40009665098 is a wasteful number, since it uses less digits than its factorization.

40009665098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491630.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 40009665098 in words is "forty billion, nine million, six hundred sixty-five thousand, ninety-eight".