41648640444 has 36 divisors (see below), whose sum is σ = 105311167416. Its totient is φ = 13878573408.

The previous prime is 41648640431. The next prime is 41648640457. The reversal of 41648640444 is 44404684614.

41648640444 is a `hidden beast` number, since 4 + 164 + 8 + 6 + 40 + 444 = 666.

It is an interprime number because it is at equal distance from previous prime (41648640431) and next prime (41648640457).

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 41648640444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60714 + ... + 294929.

It is an arithmetic number, because the mean of its divisors is an integer number (2925310206).

Almost surely, 2^41648640444 is an apocalyptic number.

It is an amenable number.

41648640444 is an abundant number, since it is smaller than the sum of its proper divisors (63662526972).

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

41648640444 is a wasteful number, since it uses less digits than its factorization.

41648640444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358906 (or 358901 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 45.

The spelling of 41648640444 in words is "forty-one billion, six hundred forty-eight million, six hundred forty thousand, four hundred forty-four".