240254889 has 48 divisors (see below), whose sum is σ = 385228800. Its totient is φ = 132723360.

The previous prime is 240254887. The next prime is 240254891. The reversal of 240254889 is 988452042.

It is an interprime number because it is at equal distance from previous prime (240254887) and next prime (240254891).

It is not a de Polignac number, because 240254889 - 2¹ = 240254887 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 240254889.

It is not an unprimeable number, because it can be changed into a prime (240254881) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1207212 + ... + 1207410.

It is an arithmetic number, because the mean of its divisors is an integer number (8025600).

Almost surely, 2^240254889 is an apocalyptic number.

It is an amenable number.

240254889 is a deficient number, since it is larger than the sum of its proper divisors (144973911).

240254889 is a wasteful number, since it uses less digits than its factorization.

240254889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 240254889 is about 15500.1577088751. The cubic root of 240254889 is about 621.6664231835. Note that the first 3 decimals are identical.

It can be divided in two parts, 2402 and 54889, that added together give a triangular number (57291 = T₃₃₈).

The spelling of 240254889 in words is "two hundred forty million, two hundred fifty-four thousand, eight hundred eighty-nine".