41501640387664 has 20 divisors (see below), whose sum is σ = 80413058668756. Its totient is φ = 20749883311872.

The previous prime is 41501640387637. The next prime is 41501640387793. The reversal of 41501640387664 is 46678304610514.

It can be written as a sum of positive squares in 2 ways, for example, as 12879054787600 + 28622585600064 = 3588740^2 + 5350008^2 .

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, 58189599 + ... + 58898494.

Almost surely, 2^{41501640387664} is an apocalyptic number.

It is an amenable number.

41501640387664 is a deficient number, since it is larger than the sum of its proper divisors (38911418281092).

41501640387664 is a wasteful number, since it uses less digits than its factorization.

41501640387664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117110254 (or 117110248 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 41501640387664 in words is "forty-one trillion, five hundred one billion, six hundred forty million, three hundred eighty-seven thousand, six hundred sixty-four".