4292505640 has 32 divisors (see below), whose sum is σ = 10078058880. Its totient is φ = 1642349632.

The previous prime is 4292505611. The next prime is 4292505667. The reversal of 4292505640 is 465052924.

It is a self number, because there is not a number n which added to its sum of digits gives 4292505640.

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, 2331964 + ... + 2333803.

It is an arithmetic number, because the mean of its divisors is an integer number (314939340).

Almost surely, 2^4292505640 is an apocalyptic number.

4292505640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4292505640 is an abundant number, since it is smaller than the sum of its proper divisors (5785553240).

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

4292505640 is a wasteful number, since it uses less digits than its factorization.

4292505640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665801 (or 4665797 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 4292505640 is about 65517.2163633346. The cubic root of 4292505640 is about 1625.1880669120.

The spelling of 4292505640 in words is "four billion, two hundred ninety-two million, five hundred five thousand, six hundred forty".