64441414446 has 64 divisors (see below), whose sum is σ = 138731082048. Its totient is φ = 19882672128.

The previous prime is 64441414409. The next prime is 64441414447.

64441414446 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×64441414446² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64441414398 and 64441414407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64441414447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2616180 + ... + 2640696.

It is an arithmetic number, because the mean of its divisors is an integer number (2167673157).

Almost surely, 2^64441414446 is an apocalyptic number.

64441414446 is an abundant number, since it is smaller than the sum of its proper divisors (74289667602).

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

64441414446 is a wasteful number, since it uses less digits than its factorization.

64441414446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24965.

The product of its digits is 589824, while the sum is 42.

The spelling of 64441414446 in words is "sixty-four billion, four hundred forty-one million, four hundred fourteen thousand, four hundred forty-six".