64404280246 has 8 divisors (see below), whose sum is σ = 96947786664. Its totient is φ = 32088351360.

The previous prime is 64404280229. The next prime is 64404280249. The reversal of 64404280246 is 64208240446.

It is a happy number.

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

It is a super-2 number, since 2×64404280246² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64404280199 and 64404280208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64404280249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56893675 + ... + 56894806.

It is an arithmetic number, because the mean of its divisors is an integer number (12118473333).

Almost surely, 2^64404280246 is an apocalyptic number.

64404280246 is a deficient number, since it is larger than the sum of its proper divisors (32543506418).

64404280246 is a wasteful number, since it uses less digits than its factorization.

64404280246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113788766.

The product of its (nonzero) digits is 294912, while the sum is 40.

The spelling of 64404280246 in words is "sixty-four billion, four hundred four million, two hundred eighty thousand, two hundred forty-six".