64341040 has 40 divisors (see below), whose sum is σ = 151093008. Its totient is φ = 25478400.

The previous prime is 64341007. The next prime is 64341059. The reversal of 64341040 is 4014346.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4099 + ... + 12061.

Almost surely, 2^64341040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64341040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75546504).

64341040 is an abundant number, since it is smaller than the sum of its proper divisors (86751968).

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

64341040 is a wasteful number, since it uses less digits than its factorization.

64341040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8077 (or 8071 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 64341040 is about 8021.2866798289. The cubic root of 64341040 is about 400.7092416973.

Adding to 64341040 its reverse (4014346), we get a palindrome (68355386).

The spelling of 64341040 in words is "sixty-four million, three hundred forty-one thousand, forty".