4465840 has 20 divisors (see below), whose sum is σ = 10383264. Its totient is φ = 1786304.

The previous prime is 4465837. The next prime is 4465861. The reversal of 4465840 is 485644.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27832 + ... + 27991.

Almost surely, 2^4465840 is an apocalyptic number.

4465840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4465840 is an abundant number, since it is smaller than the sum of its proper divisors (5917424).

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

4465840 is a wasteful number, since it uses less digits than its factorization.

4465840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55836 (or 55830 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 4465840 is about 2113.2534159442. The cubic root of 4465840 is about 164.6775459455.

The spelling of 4465840 in words is "four million, four hundred sixty-five thousand, eight hundred forty".