64090402 has 8 divisors (see below), whose sum is σ = 97765200. Its totient is φ = 31502004.

The previous prime is 64090399. The next prime is 64090417. The reversal of 64090402 is 20409046.

64090402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271452 + ... + 271687.

It is an arithmetic number, because the mean of its divisors is an integer number (12220650).

Almost surely, 2^64090402 is an apocalyptic number.

64090402 is a deficient number, since it is larger than the sum of its proper divisors (33674798).

64090402 is a wasteful number, since it uses less digits than its factorization.

64090402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543200.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 64090402 is about 8005.6481311634. The cubic root of 64090402 is about 400.1882488920.

Adding to 64090402 its reverse (20409046), we get a palindrome (84499448).

The spelling of 64090402 in words is "sixty-four million, ninety thousand, four hundred two".