64808402 has 8 divisors (see below), whose sum is σ = 98121456. Its totient is φ = 32101252.

The previous prime is 64808399. The next prime is 64808467. The reversal of 64808402 is 20480846.

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

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, 151208 + ... + 151635.

It is an arithmetic number, because the mean of its divisors is an integer number (12265182).

Almost surely, 2^64808402 is an apocalyptic number.

64808402 is a deficient number, since it is larger than the sum of its proper divisors (33313054).

64808402 is a wasteful number, since it uses less digits than its factorization.

64808402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302952.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 64808402 is about 8050.3665755045. The cubic root of 64808402 is about 401.6771291004.

The spelling of 64808402 in words is "sixty-four million, eight hundred eight thousand, four hundred two".