64010428250 has 32 divisors (see below), whose sum is σ = 120448480464. Its totient is φ = 25471488000.

The previous prime is 64010428243. The next prime is 64010428259. The reversal of 64010428250 is 5282401046.

It can be written as a sum of positive squares in 8 ways, for example, as 4429035601 + 59581392649 = 66551^2 + 244093^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64010428259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615071 + ... + 711570.

Almost surely, 2^64010428250 is an apocalyptic number.

64010428250 is a deficient number, since it is larger than the sum of its proper divisors (56438052214).

64010428250 is a wasteful number, since it uses less digits than its factorization.

64010428250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326851 (or 1326841 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 64010428250 its reverse (5282401046), we get a palindrome (69292829296).

The spelling of 64010428250 in words is "sixty-four billion, ten million, four hundred twenty-eight thousand, two hundred fifty".