4465040 has 20 divisors (see below), whose sum is σ = 10381404. Its totient is φ = 1785984.

The previous prime is 4465037. The next prime is 4465051. The reversal of 4465040 is 405644.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2166784 + 2298256 = 1472^2 + 1516^2 .

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 = 4464997 and 4465015.

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, 27827 + ... + 27986.

Almost surely, 2^4465040 is an apocalyptic number.

4465040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4465040 is an abundant number, since it is smaller than the sum of its proper divisors (5916364).

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

4465040 is a wasteful number, since it uses less digits than its factorization.

4465040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55826 (or 55820 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4465040 is about 2113.0641258608. The cubic root of 4465040 is about 164.6677120431.

The spelling of 4465040 in words is "four million, four hundred sixty-five thousand, forty".