64195460 has 48 divisors (see below), whose sum is σ = 155240064. Its totient is φ = 21842688.

The previous prime is 64195459. The next prime is 64195489. The reversal of 64195460 is 6459146.

64195460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64195460² = 8242114169223200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 64195460.

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 15 ways as a sum of consecutive naturals, for example, 17507 + ... + 20853.

It is an arithmetic number, because the mean of its divisors is an integer number (3234168).

Almost surely, 2^64195460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64195460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77620032).

64195460 is an abundant number, since it is smaller than the sum of its proper divisors (91044604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64195460 is a wasteful number, since it uses less digits than its factorization.

64195460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500 (or 3498 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 64195460 is about 8012.2069369182. The cubic root of 64195460 is about 400.4067944887.

The spelling of 64195460 in words is "sixty-four million, one hundred ninety-five thousand, four hundred sixty".