240540769 has 12 divisors (see below), whose sum is σ = 292028224. Its totient is φ = 194048064.

The previous prime is 240540733. The next prime is 240540791. The reversal of 240540769 is 967045042.

240540769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 240540769 - 2⁹ = 240540257 is a prime.

It is a super-2 number, since 2×240540769² = 115719723102222722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240546769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57429 + ... + 61474.

Almost surely, 2^240540769 is an apocalyptic number.

It is an amenable number.

240540769 is a deficient number, since it is larger than the sum of its proper divisors (51487455).

240540769 is a wasteful number, since it uses less digits than its factorization.

240540769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118944 (or 118927 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 240540769 is about 15509.3768088856. The cubic root of 240540769 is about 621.9128996842.

The spelling of 240540769 in words is "two hundred forty million, five hundred forty thousand, seven hundred sixty-nine".