6640425150 has 48 divisors (see below), whose sum is σ = 16913356464. Its totient is φ = 1722919680.

The previous prime is 6640425137. The next prime is 6640425179. The reversal of 6640425150 is 515240466.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 592687 + ... + 603786.

It is an arithmetic number, because the mean of its divisors is an integer number (352361593).

Almost surely, 2^6640425150 is an apocalyptic number.

6640425150 is an abundant number, since it is smaller than the sum of its proper divisors (10272931314).

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

6640425150 is a wasteful number, since it uses less digits than its factorization.

6640425150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196525 (or 1196520 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 6640425150 is about 81488.8038321830. The cubic root of 6640425150 is about 1879.5993893265.

The spelling of 6640425150 in words is "six billion, six hundred forty million, four hundred twenty-five thousand, one hundred fifty".