4252341640 has 32 divisors (see below), whose sum is σ = 9595215000. Its totient is φ = 1696057344.

The previous prime is 4252341629. The next prime is 4252341647. The reversal of 4252341640 is 461432524.

It can be written as a sum of positive squares in 4 ways, for example, as 3610327396 + 642014244 = 60086^2 + 25338^2 .

It is not an unprimeable number, because it can be changed into a prime (4252341647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138345 + ... + 166264.

Almost surely, 2^4252341640 is an apocalyptic number.

4252341640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4252341640 is an abundant number, since it is smaller than the sum of its proper divisors (5342873360).

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

4252341640 is a wasteful number, since it uses less digits than its factorization.

4252341640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304969 (or 304965 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 4252341640 is about 65209.9811378596. The cubic root of 4252341640 is about 1620.1033363946.

The spelling of 4252341640 in words is "four billion, two hundred fifty-two million, three hundred forty-one thousand, six hundred forty".