2554240 has 64 divisors (see below), whose sum is σ = 6597360. Its totient is φ = 940032.

The previous prime is 2554231. The next prime is 2554247. The reversal of 2554240 is 424552.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554247) 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, 8167 + ... + 8473.

2^2554240 is an apocalyptic number.

2554240 is a gapful number since it is divisible by the number (20) 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 2554240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3298680).

2554240 is an abundant number, since it is smaller than the sum of its proper divisors (4043120).

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

2554240 is a wasteful number, since it uses less digits than its factorization.

2554240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 2554240 is about 1598.1989863593. The cubic root of 2554240 is about 136.6954001321.

Adding to 2554240 its reverse (424552), we get a palindrome (2978792).

The spelling of 2554240 in words is "two million, five hundred fifty-four thousand, two hundred forty".