3025440 has 144 divisors (see below), whose sum is σ = 11321856. Its totient is φ = 729600.

The previous prime is 3025423. The next prime is 3025459. The reversal of 3025440 is 445203.

3025440 = 207² + 208² + ... + 261².

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15745 + ... + 15935.

It is an arithmetic number, because the mean of its divisors is an integer number (78624).

Almost surely, 2^3025440 is an apocalyptic number.

3025440 is a gapful number since it is divisible by the number (30) 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 3025440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5660928).

3025440 is an abundant number, since it is smaller than the sum of its proper divisors (8296416).

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

3025440 is a wasteful number, since it uses less digits than its factorization.

3025440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 3025440 is about 1739.3791995997. The cubic root of 3025440 is about 144.6314859439.

It can be divided in two parts, 3025 and 440, that multiplied together give a cube (1331000 = 110³).

The spelling of 3025440 in words is "three million, twenty-five thousand, four hundred forty".