254266166240 has 48 divisors (see below), whose sum is σ = 600823827072. Its totient is φ = 101686147584.

The previous prime is 254266166233. The next prime is 254266166267. The reversal of 254266166240 is 42661662452.

It is a super-4 number, since 4×254266166240⁴ (a number of 47 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 254266166191 and 254266166200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657722 + ... + 970118.

It is an arithmetic number, because the mean of its divisors is an integer number (12517163064).

Almost surely, 2^254266166240 is an apocalyptic number.

254266166240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254266166240 is an abundant number, since it is smaller than the sum of its proper divisors (346557660832).

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

254266166240 is a wasteful number, since it uses less digits than its factorization.

254266166240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317499 (or 317491 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 254266166240 in words is "two hundred fifty-four billion, two hundred sixty-six million, one hundred sixty-six thousand, two hundred forty".