240873457 has 16 divisors (see below), whose sum is σ = 275672448. Its totient is φ = 208327680.

The previous prime is 240873443. The next prime is 240873461. The reversal of 240873457 is 754378042.

It is not a de Polignac number, because 240873457 - 2¹⁵ = 240840689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240873467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46363 + ... + 51295.

It is an arithmetic number, because the mean of its divisors is an integer number (17229528).

Almost surely, 2^240873457 is an apocalyptic number.

It is an amenable number.

240873457 is a deficient number, since it is larger than the sum of its proper divisors (34798991).

240873457 is a wasteful number, since it uses less digits than its factorization.

240873457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5160.

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 240873457 is about 15520.0984855123. The cubic root of 240873457 is about 622.1994867838.

The spelling of 240873457 in words is "two hundred forty million, eight hundred seventy-three thousand, four hundred fifty-seven".