4265840 has 20 divisors (see below), whose sum is σ = 9918264. Its totient is φ = 1706304.

The previous prime is 4265837. The next prime is 4265843. The reversal of 4265840 is 485624.

It is an interprime number because it is at equal distance from previous prime (4265837) and next prime (4265843).

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4265843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26582 + ... + 26741.

Almost surely, 2^4265840 is an apocalyptic number.

4265840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4265840 is an abundant number, since it is smaller than the sum of its proper divisors (5652424).

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

4265840 is a wasteful number, since it uses less digits than its factorization.

4265840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53336 (or 53330 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 4265840 is about 2065.3910041443. The cubic root of 4265840 is about 162.1815776353.

The spelling of 4265840 in words is "four million, two hundred sixty-five thousand, eight hundred forty".