4252661540 has 24 divisors (see below), whose sum is σ = 8932073472. Its totient is φ = 1700781920.

The previous prime is 4252661533. The next prime is 4252661551. The reversal of 4252661540 is 451662524.

It is a self number, because there is not a number n which added to its sum of digits gives 4252661540.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139997 + ... + 167643.

It is an arithmetic number, because the mean of its divisors is an integer number (372169728).

Almost surely, 2^4252661540 is an apocalyptic number.

It is an amenable number.

4252661540 is an abundant number, since it is smaller than the sum of its proper divisors (4679411932).

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

4252661540 is a wasteful number, since it uses less digits than its factorization.

4252661540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35347 (or 35345 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 4252661540 is about 65212.4339370952. The cubic root of 4252661540 is about 1620.1439617022.

The spelling of 4252661540 in words is "four billion, two hundred fifty-two million, six hundred sixty-one thousand, five hundred forty".