4025280 has 112 divisors (see below), whose sum is σ = 14630400. Its totient is φ = 918528.

The previous prime is 4025279. The next prime is 4025303. The reversal of 4025280 is 825204.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a zygodrome in base 4.

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, 6421 + ... + 7019.

Almost surely, 2^4025280 is an apocalyptic number.

4025280 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 4025280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7315200).

4025280 is an abundant number, since it is smaller than the sum of its proper divisors (10605120).

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

4025280 is a wasteful number, since it uses less digits than its factorization.

4025280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 616 counting only the distinct ones).

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

The square root of 4025280 is about 2006.3100458304. The cubic root of 4025280 is about 159.0738156526.

The spelling of 4025280 in words is "four million, twenty-five thousand, two hundred eighty".