6400053330 has 64 divisors (see below), whose sum is σ = 16764281856. Its totient is φ = 1550808000.

The previous prime is 6400053313. The next prime is 6400053349. The reversal of 6400053330 is 333500046.

It is a self number, because there is not a number n which added to its sum of digits gives 6400053330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1175715 + ... + 1181145.

It is an arithmetic number, because the mean of its divisors is an integer number (261941904).

Almost surely, 2^6400053330 is an apocalyptic number.

6400053330 is an abundant number, since it is smaller than the sum of its proper divisors (10364228526).

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

6400053330 is a wasteful number, since it uses less digits than its factorization.

6400053330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9023.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 6400053330 is about 80000.3333118056. Note that the first 4 decimals coincide. The cubic root of 6400053330 is about 1856.6406904294.

Adding to 6400053330 its reverse (333500046), we get a palindrome (6733553376).

The spelling of 6400053330 in words is "six billion, four hundred million, fifty-three thousand, three hundred thirty".