64006220402 has 8 divisors (see below), whose sum is σ = 97361574912. Its totient is φ = 31552362100.

The previous prime is 64006220357. The next prime is 64006220423. The reversal of 64006220402 is 20402260046.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225373874 + ... + 225374157.

It is an arithmetic number, because the mean of its divisors is an integer number (12170196864).

Almost surely, 2^64006220402 is an apocalyptic number.

64006220402 is a deficient number, since it is larger than the sum of its proper divisors (33355354510).

64006220402 is a wasteful number, since it uses less digits than its factorization.

64006220402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450748104.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 64006220402 its reverse (20402260046), we get a palindrome (84408480448).

The spelling of 64006220402 in words is "sixty-four billion, six million, two hundred twenty thousand, four hundred two".