64018080 has 384 divisors, whose sum is σ = 268531200. Its totient is φ = 13934592.

The previous prime is 64018063. The next prime is 64018081. The reversal of 64018080 is 8081046.

64018080 is a `hidden beast` number, since 640 + 18 + 0 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (64018081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 876924 + ... + 876996.

It is an arithmetic number, because the mean of its divisors is an integer number (699300).

Almost surely, 2^64018080 is an apocalyptic number.

64018080 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 64018080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134265600).

64018080 is an abundant number, since it is smaller than the sum of its proper divisors (204513120).

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

64018080 is a wasteful number, since it uses less digits than its factorization.

64018080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 64018080 is about 8001.1299202050. The cubic root of 64018080 is about 400.0376631203.

The spelling of 64018080 in words is "sixty-four million, eighteen thousand, eighty".