254490791280 has 120 divisors (see below), whose sum is σ = 867161696016. Its totient is φ = 61694730240.

The previous prime is 254490791237. The next prime is 254490791281. The reversal of 254490791280 is 82197094452.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254490791281) 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, 4352689 + ... + 4410768.

Almost surely, 2^254490791280 is an apocalyptic number.

254490791280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254490791280 is an abundant number, since it is smaller than the sum of its proper divisors (612670904736).

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

254490791280 is a wasteful number, since it uses less digits than its factorization.

254490791280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8763495 (or 8763478 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 254490791280 in words is "two hundred fifty-four billion, four hundred ninety million, seven hundred ninety-one thousand, two hundred eighty".