4045080 has 64 divisors (see below), whose sum is σ = 13073760. Its totient is φ = 995328.

The previous prime is 4045051. The next prime is 4045091. The reversal of 4045080 is 805404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264 + ... + 2856.

Almost surely, 2^4045080 is an apocalyptic number.

4045080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4045080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6536880).

4045080 is an abundant number, since it is smaller than the sum of its proper divisors (9028680).

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

4045080 is a wasteful number, since it uses less digits than its factorization.

4045080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620 (or 2616 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 4045080 is about 2011.2384244539. The cubic root of 4045080 is about 159.3342125537.

The spelling of 4045080 in words is "four million, forty-five thousand, eighty".