64488120 has 32 divisors (see below), whose sum is σ = 193464720. Its totient is φ = 17196800.

The previous prime is 64488119. The next prime is 64488131. The reversal of 64488120 is 2188446.

It is a super-2 number, since 2×64488120² = 8317435242268800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268581 + ... + 268820.

Almost surely, 2^64488120 is an apocalyptic number.

64488120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64488120 is an abundant number, since it is smaller than the sum of its proper divisors (128976600).

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

64488120 is a wasteful number, since it uses less digits than its factorization.

64488120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537415 (or 537411 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 64488120 is about 8030.4495515506. The cubic root of 64488120 is about 401.0143422668.

The spelling of 64488120 in words is "sixty-four million, four hundred eighty-eight thousand, one hundred twenty".