64246464 has 42 divisors (see below), whose sum is σ = 184152540. Its totient is φ = 21415296.

The previous prime is 64246463. The next prime is 64246471. The reversal of 64246464 is 46464246.

It is a happy number.

64246464 is a `hidden beast` number, since 6 + 4 + 2 + 4 + 646 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (64246463) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 55194 + ... + 56345.

Almost surely, 2^64246464 is an apocalyptic number.

64246464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64246464 is an abundant number, since it is smaller than the sum of its proper divisors (119906076).

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

64246464 is a wasteful number, since it uses less digits than its factorization.

64246464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111557 (or 111544 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 64246464 is about 8015.3891982860. The cubic root of 64246464 is about 400.5128089532.

The spelling of 64246464 in words is "sixty-four million, two hundred forty-six thousand, four hundred sixty-four".