254771280 has 120 divisors (see below), whose sum is σ = 863864352. Its totient is φ = 67283712.

The previous prime is 254771249. The next prime is 254771281. The reversal of 254771280 is 82177452.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×254771280² = 129816810225676800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254771281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75387 + ... + 78693.

Almost surely, 2^254771280 is an apocalyptic number.

254771280 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 254771280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431932176).

254771280 is an abundant number, since it is smaller than the sum of its proper divisors (609093072).

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

254771280 is a wasteful number, since it uses less digits than its factorization.

254771280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433 (or 3424 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 254771280 is about 15961.5563150966. The cubic root of 254771280 is about 633.9429206210.

The spelling of 254771280 in words is "two hundred fifty-four million, seven hundred seventy-one thousand, two hundred eighty".