6530400264 has 64 divisors (see below), whose sum is σ = 17882467200. Its totient is φ = 1978102784.

The previous prime is 6530400259. The next prime is 6530400311. The reversal of 6530400264 is 4620040356.

It is a super-2 number, since 2×6530400264² = 85292255216102539392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264132 + ... + 287795.

It is an arithmetic number, because the mean of its divisors is an integer number (279413550).

Almost surely, 2^6530400264 is an apocalyptic number.

It is an amenable number.

6530400264 is an abundant number, since it is smaller than the sum of its proper divisors (11352066936).

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

6530400264 is a wasteful number, since it uses less digits than its factorization.

6530400264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551982 (or 551978 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 6530400264 is about 80810.8919886422. The cubic root of 6530400264 is about 1869.1605241895.

The spelling of 6530400264 in words is "six billion, five hundred thirty million, four hundred thousand, two hundred sixty-four".