64518230 has 32 divisors (see below), whose sum is σ = 140533056. Its totient is φ = 20818944.

The previous prime is 64518191. The next prime is 64518239. The reversal of 64518230 is 3281546.

It is a junction number, because it is equal to n+sod(n) for n = 64518193 and 64518202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64518239) 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, 25919 + ... + 28298.

It is an arithmetic number, because the mean of its divisors is an integer number (4391658).

Almost surely, 2^64518230 is an apocalyptic number.

64518230 is an abundant number, since it is smaller than the sum of its proper divisors (76014826).

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

64518230 is a wasteful number, since it uses less digits than its factorization.

64518230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54248.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 64518230 is about 8032.3240721475. The cubic root of 64518230 is about 401.0767447843.

Adding to 64518230 its reverse (3281546), we get a palindrome (67799776).

The spelling of 64518230 in words is "sixty-four million, five hundred eighteen thousand, two hundred thirty".