40709998 has 8 divisors (see below), whose sum is σ = 69788592. Its totient is φ = 17447136.

The previous prime is 40709987. The next prime is 40710013. The reversal of 40709998 is 89990704.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1453915 + ... + 1453942.

It is an arithmetic number, because the mean of its divisors is an integer number (8723574).

Almost surely, 2^40709998 is an apocalyptic number.

40709998 is a deficient number, since it is larger than the sum of its proper divisors (29078594).

40709998 is a wasteful number, since it uses less digits than its factorization.

40709998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907866.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 40709998 is about 6380.4386996507. The cubic root of 40709998 is about 344.0067997124.

The spelling of 40709998 in words is "forty million, seven hundred nine thousand, nine hundred ninety-eight".