64241264 has 20 divisors (see below), whose sum is σ = 128760360. Its totient is φ = 31012800.

The previous prime is 64241263. The next prime is 64241273. The reversal of 64241264 is 46214246.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64241263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68762 + ... + 69689.

It is an arithmetic number, because the mean of its divisors is an integer number (6438018).

Almost surely, 2^64241264 is an apocalyptic number.

It is an amenable number.

64241264 is an abundant number, since it is smaller than the sum of its proper divisors (64519096).

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

64241264 is a wasteful number, since it uses less digits than its factorization.

64241264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138488 (or 138482 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 64241264 is about 8015.0648157080. The cubic root of 64241264 is about 400.5020030521.

The spelling of 64241264 in words is "sixty-four million, two hundred forty-one thousand, two hundred sixty-four".