41453720064 has 60 divisors (see below), whose sum is σ = 119638256166. Its totient is φ = 13817905152.

The previous prime is 41453720053. The next prime is 41453720069. The reversal of 41453720064 is 46002735414.

41453720064 is a `hidden beast` number, since 41 + 4 + 537 + 20 + 0 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 39014150400 + 2439569664 = 197520^2 + 49392^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (41453720069) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4493409 + ... + 4502624.

Almost surely, 2^41453720064 is an apocalyptic number.

It is an amenable number.

41453720064 is an abundant number, since it is smaller than the sum of its proper divisors (78184536102).

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

41453720064 is an equidigital number, since it uses as much as digits as its factorization.

41453720064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8996057 (or 8996038 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 41453720064 in words is "forty-one billion, four hundred fifty-three million, seven hundred twenty thousand, sixty-four".