64480188 has 24 divisors (see below), whose sum is σ = 150694992. Its totient is φ = 21458944.

The previous prime is 64480183. The next prime is 64480211. The reversal of 64480188 is 88108446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64480183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4156 + ... + 12092.

It is an arithmetic number, because the mean of its divisors is an integer number (6278958).

Almost surely, 2^64480188 is an apocalyptic number.

It is an amenable number.

64480188 is an abundant number, since it is smaller than the sum of its proper divisors (86214804).

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

64480188 is a wasteful number, since it uses less digits than its factorization.

64480188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8621 (or 8619 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 64480188 is about 8029.9556661292. The cubic root of 64480188 is about 400.9979000850.

The spelling of 64480188 in words is "sixty-four million, four hundred eighty thousand, one hundred eighty-eight".