254366442 has 36 divisors (see below), whose sum is σ = 605789730. Its totient is φ = 77080080.

The previous prime is 254366423. The next prime is 254366443. The reversal of 254366442 is 244663452.

254366442 is a `hidden beast` number, since 2 + 5 + 4 + 3 + 6 + 644 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 254051721 + 314721 = 15939^2 + 561^2 .

It is a junction number, because it is equal to n+sod(n) for n = 254366397 and 254366406.

It is not an unprimeable number, because it can be changed into a prime (254366443) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 56217 + ... + 60572.

Almost surely, 2^254366442 is an apocalyptic number.

254366442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

254366442 is an abundant number, since it is smaller than the sum of its proper divisors (351423288).

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

254366442 is a wasteful number, since it uses less digits than its factorization.

254366442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116819 (or 116805 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 254366442 is about 15948.8696151169. The cubic root of 254366442 is about 633.6069588356.

It can be divided in two parts, 25436 and 6442, that added together give a triangular number (31878 = T₂₅₂).

The spelling of 254366442 in words is "two hundred fifty-four million, three hundred sixty-six thousand, four hundred forty-two".