240242432 has 18 divisors (see below), whose sum is σ = 479546928. Its totient is φ = 120121088.

The previous prime is 240242413. The next prime is 240242437. The reversal of 240242432 is 234242042.

It is a super-2 number, since 2×240242432² = 115432852266549248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240242398 and 240242407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240242437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 468968 + ... + 469479.

It is an arithmetic number, because the mean of its divisors is an integer number (26641496).

Almost surely, 2^240242432 is an apocalyptic number.

It is an amenable number.

240242432 is a deficient number, since it is larger than the sum of its proper divisors (239304496).

240242432 is an frugal number, since it uses more digits than its factorization.

240242432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938463 (or 938449 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 240242432 is about 15499.7558690452. The cubic root of 240242432 is about 621.6556787161.

Adding to 240242432 its reverse (234242042), we get a palindrome (474484474).

The spelling of 240242432 in words is "two hundred forty million, two hundred forty-two thousand, four hundred thirty-two".