240555493 has 8 divisors (see below), whose sum is σ = 249177600. Its totient is φ = 231955248.

The previous prime is 240555481. The next prime is 240555503. The reversal of 240555493 is 394555042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240555493 - 2⁵ = 240555461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240555433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18828 + ... + 28906.

It is an arithmetic number, because the mean of its divisors is an integer number (31147200).

Almost surely, 2^240555493 is an apocalyptic number.

It is an amenable number.

240555493 is a deficient number, since it is larger than the sum of its proper divisors (8622107).

240555493 is a wasteful number, since it uses less digits than its factorization.

240555493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10931.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 240555493 is about 15509.8514822032. The cubic root of 240555493 is about 621.9255889520.

The spelling of 240555493 in words is "two hundred forty million, five hundred fifty-five thousand, four hundred ninety-three".