240254678 has 4 divisors (see below), whose sum is σ = 360382020. Its totient is φ = 120127338.

The previous prime is 240254633. The next prime is 240254683. The reversal of 240254678 is 876452042.

240254678 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 876452042 = 2 ⋅438226021.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60063668 + ... + 60063671.

It is an arithmetic number, because the mean of its divisors is an integer number (90095505).

Almost surely, 2^240254678 is an apocalyptic number.

240254678 is a deficient number, since it is larger than the sum of its proper divisors (120127342).

240254678 is a wasteful number, since it uses less digits than its factorization.

240254678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120127341.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 240254678 is about 15500.1509024912. The cubic root of 240254678 is about 621.6662411939. Note that the first 3 decimals are identical.

The spelling of 240254678 in words is "two hundred forty million, two hundred fifty-four thousand, six hundred seventy-eight".