64428288282446 has 16 divisors (see below), whose sum is σ = 105428308848768. Its totient is φ = 29285529819000.

The previous prime is 64428288282409. The next prime is 64428288282487.

64428288282446 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10418201 + ... + 15407643.

It is an arithmetic number, because the mean of its divisors is an integer number (6589269303048).

Almost surely, 2^{64428288282446} is an apocalyptic number.

64428288282446 is a deficient number, since it is larger than the sum of its proper divisors (41000020566322).

64428288282446 is a wasteful number, since it uses less digits than its factorization.

64428288282446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5576407.

The product of its digits is 603979776, while the sum is 68.

The spelling of 64428288282446 in words is "sixty-four trillion, four hundred twenty-eight billion, two hundred eighty-eight million, two hundred eighty-two thousand, four hundred forty-six".