240538442 has 16 divisors (see below), whose sum is σ = 385470240. Its totient is φ = 112237488.

The previous prime is 240538429. The next prime is 240538447. The reversal of 240538442 is 244835042.

240538442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 240538399 and 240538408.

It is not an unprimeable number, because it can be changed into a prime (240538447) 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, 44693 + ... + 49784.

It is an arithmetic number, because the mean of its divisors is an integer number (24091890).

Almost surely, 2^240538442 is an apocalyptic number.

240538442 is a deficient number, since it is larger than the sum of its proper divisors (144931798).

240538442 is a wasteful number, since it uses less digits than its factorization.

240538442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94565.

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 240538442 is about 15509.3017895713. The cubic root of 240538442 is about 621.9108942086.

The spelling of 240538442 in words is "two hundred forty million, five hundred thirty-eight thousand, four hundred forty-two".