64004640046 has 8 divisors (see below), whose sum is σ = 96008152104. Its totient is φ = 32001922680.

The previous prime is 64004640031. The next prime is 64004640061.

64004640046 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (64004640031) and next prime (64004640061).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 64004639993 and 64004640020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81961 + ... + 367051.

It is an arithmetic number, because the mean of its divisors is an integer number (12001019013).

Almost surely, 2^64004640046 is an apocalyptic number.

64004640046 is a deficient number, since it is larger than the sum of its proper divisors (32003512058).

64004640046 is a wasteful number, since it uses less digits than its factorization.

64004640046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397346.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 64004640046 in words is "sixty-four billion, four million, six hundred forty thousand, forty-six".