64280466 has 40 divisors (see below), whose sum is σ = 144532080. Its totient is φ = 21353112.

The previous prime is 64280449. The next prime is 64280479. The reversal of 64280466 is 66408246.

It is a happy number.

64280466 is a `hidden beast` number, since 642 + 8 + 0 + 4 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 64280466.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 67405 + ... + 68351.

It is an arithmetic number, because the mean of its divisors is an integer number (3613302).

Almost surely, 2^64280466 is an apocalyptic number.

64280466 is an abundant number, since it is smaller than the sum of its proper divisors (80251614).

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

64280466 is a wasteful number, since it uses less digits than its factorization.

64280466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380 (or 1371 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 64280466 is about 8017.5099625757. The cubic root of 64280466 is about 400.5834527102.

It can be divided in two parts, 64280 and 466, that added together give a palindrome (64746).

The spelling of 64280466 in words is "sixty-four million, two hundred eighty thousand, four hundred sixty-six".