64000046 has 12 divisors (see below), whose sum is σ = 105521136. Its totient is φ = 29090820.

The previous prime is 64000043. The next prime is 64000051.

64000046 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 63999991 and 64000027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64000043) 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, 131990 + ... + 132473.

It is an arithmetic number, because the mean of its divisors is an integer number (8793428).

Almost surely, 2^64000046 is an apocalyptic number.

64000046 is a deficient number, since it is larger than the sum of its proper divisors (41521090).

64000046 is a wasteful number, since it uses less digits than its factorization.

64000046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264487 (or 264476 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 64000046 is about 8000.0028749995. The cubic root of 64000046 is about 400.0000958333. Note that the first 4 decimals are identical.

It can be divided in two parts, 640000 and 46, that added together give a palindrome (640046).

The spelling of 64000046 in words is "sixty-four million, forty-six", and thus it is an aban number and an eban number.