240564040 has 16 divisors (see below), whose sum is σ = 541269180. Its totient is φ = 96225600.

The previous prime is 240564029. The next prime is 240564067. The reversal of 240564040 is 40465042.

It can be written as a sum of positive squares in 2 ways, for example, as 239444676 + 1119364 = 15474^2 + 1058^2 .

It is a super-2 number, since 2×240564040² = 115742114682243200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240563996 and 240564014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3007011 + ... + 3007090.

Almost surely, 2^240564040 is an apocalyptic number.

240564040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240564040 is an abundant number, since it is smaller than the sum of its proper divisors (300705140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

240564040 is a wasteful number, since it uses less digits than its factorization.

240564040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6014112 (or 6014108 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 240564040 is about 15510.1270143091. The cubic root of 240564040 is about 621.9329545914.

The spelling of 240564040 in words is "two hundred forty million, five hundred sixty-four thousand, forty".