40000098 has 8 divisors (see below), whose sum is σ = 80000208. Its totient is φ = 13333364.

The previous prime is 40000061. The next prime is 40000123. The reversal of 40000098 is 89000004.

It is a sphenic number, since it is the product of 3 distinct primes.

40000098 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3333336 + ... + 3333347.

It is an arithmetic number, because the mean of its divisors is an integer number (10000026).

Almost surely, 2^40000098 is an apocalyptic number.

40000098 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40000098 is a wasteful number, since it uses less digits than its factorization.

40000098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6666688.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 40000098 is about 6324.5630679123. The cubic root of 40000098 is about 341.9954686312.

The spelling of 40000098 in words is "forty million, ninety-eight", and thus it is an aban number and an uban number.