240406766 has 4 divisors (see below), whose sum is σ = 360610152. Its totient is φ = 120203382.

The previous prime is 240406763. The next prime is 240406799. The reversal of 240406766 is 667604042.

It is a happy number.

240406766 is digitally balanced in base 2, 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.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240406763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60101690 + ... + 60101693.

It is an arithmetic number, because the mean of its divisors is an integer number (90152538).

Almost surely, 2^240406766 is an apocalyptic number.

240406766 is a deficient number, since it is larger than the sum of its proper divisors (120203386).

240406766 is a wasteful number, since it uses less digits than its factorization.

240406766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120203385.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 240406766 is about 15505.0561430780. The cubic root of 240406766 is about 621.7973909563.

The spelling of 240406766 in words is "two hundred forty million, four hundred six thousand, seven hundred sixty-six".