64575201450 has 24 divisors (see below), whose sum is σ = 160146499968. Its totient is φ = 17220053680.

The previous prime is 64575201443. The next prime is 64575201503. The reversal of 64575201450 is 5410257546.

64575201450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64575201399 and 64575201408.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215250522 + ... + 215250821.

It is an arithmetic number, because the mean of its divisors is an integer number (6672770832).

Almost surely, 2^64575201450 is an apocalyptic number.

64575201450 is an abundant number, since it is smaller than the sum of its proper divisors (95571298518).

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

64575201450 is a wasteful number, since it uses less digits than its factorization.

64575201450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430501358 (or 430501353 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 39.

Adding to 64575201450 its reverse (5410257546), we get a palindrome (69985458996).

The spelling of 64575201450 in words is "sixty-four billion, five hundred seventy-five million, two hundred one thousand, four hundred fifty".