4251635940 has 48 divisors (see below), whose sum is σ = 11923978752. Its totient is φ = 1131922176.

The previous prime is 4251635903. The next prime is 4251635953. The reversal of 4251635940 is 495361524.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20404 + ... + 94443.

It is an arithmetic number, because the mean of its divisors is an integer number (248416224).

Almost surely, 2^4251635940 is an apocalyptic number.

It is an amenable number.

4251635940 is an abundant number, since it is smaller than the sum of its proper divisors (7672342812).

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

4251635940 is a wasteful number, since it uses less digits than its factorization.

4251635940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115476 (or 115474 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 4251635940 is about 65204.5699318690. The cubic root of 4251635940 is about 1620.0137096843.

The spelling of 4251635940 in words is "four billion, two hundred fifty-one million, six hundred thirty-five thousand, nine hundred forty".