249041494 has 16 divisors (see below), whose sum is σ = 404111232. Its totient is φ = 114424128.

The previous prime is 249041411. The next prime is 249041501. The reversal of 249041494 is 494140942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15679 + ... + 27274.

It is an arithmetic number, because the mean of its divisors is an integer number (25256952).

Almost surely, 2^249041494 is an apocalyptic number.

249041494 is a deficient number, since it is larger than the sum of its proper divisors (155069738).

249041494 is a wasteful number, since it uses less digits than its factorization.

249041494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43191.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 249041494 is about 15781.0485709917. The cubic root of 249041494 is about 629.1543992423.

It can be divided in two parts, 24904149 and 4, that added together give a triangular number (24904153 = T₇₀₅₇).

The spelling of 249041494 in words is "two hundred forty-nine million, forty-one thousand, four hundred ninety-four".