2554000581240 has 512 divisors, whose sum is σ = 8871101856000. Its totient is φ = 652809830400.

The previous prime is 2554000581227. The next prime is 2554000581241. The reversal of 2554000581240 is 421850004552.

2554000581240 is a `hidden beast` number, since 2 + 5 + 5 + 400 + 0 + 5 + 8 + 1 + 240 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2554000581195 and 2554000581204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554000581241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4585279042 + ... + 4585279598.

Almost surely, 2^{2554000581240} is an apocalyptic number.

2554000581240 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 2554000581240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4435550928000).

2554000581240 is an abundant number, since it is smaller than the sum of its proper divisors (6317101274760).

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

2554000581240 is a wasteful number, since it uses less digits than its factorization.

2554000581240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408 (or 1398 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

Adding to 2554000581240 its reverse (421850004552), we get a palindrome (2975850585792).

The spelling of 2554000581240 in words is "two trillion, five hundred fifty-four billion, five hundred eighty-one thousand, two hundred forty".