4655440 has 20 divisors (see below), whose sum is σ = 10824084. Its totient is φ = 1862144.

The previous prime is 4655419. The next prime is 4655461. The reversal of 4655440 is 445564.

It is an interprime number because it is at equal distance from previous prime (4655419) and next prime (4655461).

It can be written as a sum of positive squares in 2 ways, for example, as 2005056 + 2650384 = 1416^2 + 1628^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 4655399 and 4655408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29017 + ... + 29176.

Almost surely, 2^4655440 is an apocalyptic number.

4655440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4655440 is an abundant number, since it is smaller than the sum of its proper divisors (6168644).

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

4655440 is a wasteful number, since it uses less digits than its factorization.

4655440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58206 (or 58200 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 4655440 is about 2157.6468663801. The cubic root of 4655440 is about 166.9758173118.

The spelling of 4655440 in words is "four million, six hundred fifty-five thousand, four hundred forty".