4511280 has 40 divisors (see below), whose sum is σ = 13985712. Its totient is φ = 1202944.

The previous prime is 4511263. The next prime is 4511281. The reversal of 4511280 is 821154.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (4511281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9159 + ... + 9638.

Almost surely, 2^4511280 is an apocalyptic number.

4511280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4511280 is an abundant number, since it is smaller than the sum of its proper divisors (9474432).

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

4511280 is a wasteful number, since it uses less digits than its factorization.

4511280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18813 (or 18807 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 4511280 is about 2123.9774010097. The cubic root of 4511280 is about 165.2341945253.

It can be divided in two parts, 45 and 11280, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 4511280 in words is "four million, five hundred eleven thousand, two hundred eighty".