4260637840 has 40 divisors (see below), whose sum is σ = 9918115200. Its totient is φ = 1702167936.

The previous prime is 4260637837. The next prime is 4260637853. The reversal of 4260637840 is 487360624.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 4260637793 and 4260637802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33961 + ... + 98359.

It is an arithmetic number, because the mean of its divisors is an integer number (247952880).

Almost surely, 2^4260637840 is an apocalyptic number.

4260637840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4260637840 is an abundant number, since it is smaller than the sum of its proper divisors (5657477360).

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

4260637840 is a wasteful number, since it uses less digits than its factorization.

4260637840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65239 (or 65233 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 4260637840 is about 65273.5615697504. The cubic root of 4260637840 is about 1621.1562441089.

The spelling of 4260637840 in words is "four billion, two hundred sixty million, six hundred thirty-seven thousand, eight hundred forty".