40644807098 has 64 divisors (see below), whose sum is σ = 73209692160. Its totient is φ = 16546939200.

The previous prime is 40644807089. The next prime is 40644807131. The reversal of 40644807098 is 89070844604.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38307488 + ... + 38308548.

It is an arithmetic number, because the mean of its divisors is an integer number (1143901440).

Almost surely, 2^40644807098 is an apocalyptic number.

40644807098 is a deficient number, since it is larger than the sum of its proper divisors (32564885062).

40644807098 is a wasteful number, since it uses less digits than its factorization.

40644807098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 40644807098 in words is "forty billion, six hundred forty-four million, eight hundred seven thousand, ninety-eight".