40646598 has 8 divisors (see below), whose sum is σ = 81293208. Its totient is φ = 13548864.

The previous prime is 40646597. The next prime is 40646629. The reversal of 40646598 is 89564604.

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

40646598 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40646591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3387211 + ... + 3387222.

It is an arithmetic number, because the mean of its divisors is an integer number (10161651).

Almost surely, 2^40646598 is an apocalyptic number.

40646598 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.

40646598 is a wasteful number, since it uses less digits than its factorization.

40646598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6774438.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 40646598 is about 6375.4684533766. The cubic root of 40646598 is about 343.8281264627.

The spelling of 40646598 in words is "forty million, six hundred forty-six thousand, five hundred ninety-eight".