4252334640 has 80 divisors (see below), whose sum is σ = 13298979168. Its totient is φ = 1123913728.

The previous prime is 4252334633. The next prime is 4252334651. The reversal of 4252334640 is 464332524.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 51279 + ... + 105518.

Almost surely, 2^4252334640 is an apocalyptic number.

4252334640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4252334640 is an abundant number, since it is smaller than the sum of its proper divisors (9046644528).

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

4252334640 is a wasteful number, since it uses less digits than its factorization.

4252334640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156926 (or 156920 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

The square root of 4252334640 is about 65209.9274650724. The cubic root of 4252334640 is about 1620.1024474154.

The spelling of 4252334640 in words is "four billion, two hundred fifty-two million, three hundred thirty-four thousand, six hundred forty".