41646659040 has 144 divisors (see below), whose sum is σ = 162422009568. Its totient is φ = 9519234048.

The previous prime is 41646658997. The next prime is 41646659083. The reversal of 41646659040 is 4095664614.

It is a happy number.

41646659040 is a `hidden beast` number, since 4 + 16 + 4 + 6 + 6 + 590 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (41646658997) and next prime (41646659083).

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2055727 + ... + 2075886.

It is an arithmetic number, because the mean of its divisors is an integer number (1127930622).

Almost surely, 2^41646659040 is an apocalyptic number.

41646659040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41646659040 is an abundant number, since it is smaller than the sum of its proper divisors (120775350528).

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

41646659040 is a wasteful number, since it uses less digits than its factorization.

41646659040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4131641 (or 4131630 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 41646659040 in words is "forty-one billion, six hundred forty-six million, six hundred fifty-nine thousand, forty".