64242360 has 384 divisors, whose sum is σ = 268894080. Its totient is φ = 12939264.

The previous prime is 64242329. The next prime is 64242361. The reversal of 64242360 is 6324246.

64242360 is a `hidden beast` number, since 6 + 424 + 236 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64242361) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1212094 + ... + 1212146.

It is an arithmetic number, because the mean of its divisors is an integer number (700245).

Almost surely, 2^64242360 is an apocalyptic number.

64242360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64242360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134447040).

64242360 is an abundant number, since it is smaller than the sum of its proper divisors (204651720).

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

64242360 is a wasteful number, since it uses less digits than its factorization.

64242360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 64242360 is about 8015.1331866663. The cubic root of 64242360 is about 400.5042806521.

The spelling of 64242360 in words is "sixty-four million, two hundred forty-two thousand, three hundred sixty".