64403010 has 96 divisors (see below), whose sum is σ = 192920832. Its totient is φ = 14601600.

The previous prime is 64402999. The next prime is 64403011. The reversal of 64403010 is 1030446.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (64403011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94792 + ... + 95468.

It is an arithmetic number, because the mean of its divisors is an integer number (2009592).

Almost surely, 2^64403010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64403010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96460416).

64403010 is an abundant number, since it is smaller than the sum of its proper divisors (128517822).

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

64403010 is a wasteful number, since it uses less digits than its factorization.

64403010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 64403010 is about 8025.1485967551. The cubic root of 64403010 is about 400.8378479683.

Adding to 64403010 its reverse (1030446), we get a palindrome (65433456).

The spelling of 64403010 in words is "sixty-four million, four hundred three thousand, ten".