2554611240 has 128 divisors (see below), whose sum is σ = 7800883200. Its totient is φ = 669123840.

The previous prime is 2554611187. The next prime is 2554611271. The reversal of 2554611240 is 421164552.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2554611198 and 2554611207.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3739939 + ... + 3740621.

It is an arithmetic number, because the mean of its divisors is an integer number (60944400).

Almost surely, 2^2554611240 is an apocalyptic number.

2554611240 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 2554611240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3900441600).

2554611240 is an abundant number, since it is smaller than the sum of its proper divisors (5246271960).

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

2554611240 is a wasteful number, since it uses less digits than its factorization.

2554611240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 2554611240 is about 50543.1621488011. The cubic root of 2554611240 is about 1367.0202236831.

Adding to 2554611240 its reverse (421164552), we get a palindrome (2975775792).

The spelling of 2554611240 in words is "two billion, five hundred fifty-four million, six hundred eleven thousand, two hundred forty".