64624300442 has 16 divisors (see below), whose sum is σ = 104442224040. Its totient is φ = 29812564992.

The previous prime is 64624300427. The next prime is 64624300451. The reversal of 64624300442 is 24400342646.

64624300442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 45787012441 + 18837288001 = 213979^2 + 137249^2 .

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, 528383 + ... + 639090.

Almost surely, 2^64624300442 is an apocalyptic number.

64624300442 is a deficient number, since it is larger than the sum of its proper divisors (39817923598).

64624300442 is a wasteful number, since it uses less digits than its factorization.

64624300442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169617.

The product of its (nonzero) digits is 110592, while the sum is 35.

The spelling of 64624300442 in words is "sixty-four billion, six hundred twenty-four million, three hundred thousand, four hundred forty-two".