240539212 has 6 divisors (see below), whose sum is σ = 420943628. Its totient is φ = 120269604.

The previous prime is 240539207. The next prime is 240539213. The reversal of 240539212 is 212935042.

240539212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×240539212² = 115718225019161888, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 240539212 parts by 21933 straight cuts.

It is not an unprimeable number, because it can be changed into a prime (240539213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30067398 + ... + 30067405.

Almost surely, 2^240539212 is an apocalyptic number.

It is an amenable number.

240539212 is a deficient number, since it is larger than the sum of its proper divisors (180404416).

240539212 is a wasteful number, since it uses less digits than its factorization.

240539212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60134807 (or 60134805 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 240539212 is about 15509.3266133640. The cubic root of 240539212 is about 621.9115578182.

The spelling of 240539212 in words is "two hundred forty million, five hundred thirty-nine thousand, two hundred twelve".