6652453640 has 48 divisors (see below), whose sum is σ = 17411784300. Its totient is φ = 2280840576.

The previous prime is 6652453607. The next prime is 6652453663. The reversal of 6652453640 is 463542566.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6383690404 + 268763236 = 79898^2 + 16394^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1695095 + ... + 1699014.

Almost surely, 2^6652453640 is an apocalyptic number.

It is an amenable number.

6652453640 is an abundant number, since it is smaller than the sum of its proper divisors (10759330660).

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

6652453640 is a wasteful number, since it uses less digits than its factorization.

6652453640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394134 (or 3394123 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

The square root of 6652453640 is about 81562.5749961341. The cubic root of 6652453640 is about 1880.7336091234.

The spelling of 6652453640 in words is "six billion, six hundred fifty-two million, four hundred fifty-three thousand, six hundred forty".