4666257640 has 64 divisors (see below), whose sum is σ = 11823045120. Its totient is φ = 1642080000.

The previous prime is 4666257613. The next prime is 4666257643. The reversal of 4666257640 is 467526664.

It is not an unprimeable number, because it can be changed into a prime (4666257643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157411 + ... + 184690.

It is an arithmetic number, because the mean of its divisors is an integer number (184735080).

Almost surely, 2^4666257640 is an apocalyptic number.

4666257640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4666257640 is an abundant number, since it is smaller than the sum of its proper divisors (7156787480).

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

4666257640 is a wasteful number, since it uses less digits than its factorization.

4666257640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342154 (or 342150 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 46.

The square root of 4666257640 is about 68310.0112721408. The cubic root of 4666257640 is about 1671.0504870726.

The spelling of 4666257640 in words is "four billion, six hundred sixty-six million, two hundred fifty-seven thousand, six hundred forty".