2554649280 has 392 divisors, whose sum is σ = 9354750912. Its totient is φ = 663883776.

The previous prime is 2554649269. The next prime is 2554649291. The reversal of 2554649280 is 829464552.

2554649280 is a `hidden beast` number, since 2 + 554 + 6 + 4 + 92 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2554649269) and next prime (2554649291).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 10964044 + ... + 10964276.

Almost surely, 2^2554649280 is an apocalyptic number.

2554649280 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 2554649280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4677375456).

2554649280 is an abundant number, since it is smaller than the sum of its proper divisors (6800101632).

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

2554649280 is an equidigital number, since it uses as much as digits as its factorization.

2554649280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 2554649280 is about 50543.5384594312. The cubic root of 2554649280 is about 1367.0270089545.

The spelling of 2554649280 in words is "two billion, five hundred fifty-four million, six hundred forty-nine thousand, two hundred eighty".