242440132 has 48 divisors (see below), whose sum is σ = 479259648. Its totient is φ = 106341120.

The previous prime is 242440117. The next prime is 242440139. The reversal of 242440132 is 231044242.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (242440139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222493 + ... + 223579.

It is an arithmetic number, because the mean of its divisors is an integer number (9984576).

Almost surely, 2^242440132 is an apocalyptic number.

242440132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

242440132 is a deficient number, since it is larger than the sum of its proper divisors (236819516).

242440132 is a wasteful number, since it uses less digits than its factorization.

242440132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276 (or 1274 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 242440132 is about 15570.4891381100. The cubic root of 242440132 is about 623.5455304952.

Adding to 242440132 its reverse (231044242), we get a palindrome (473484374).

The spelling of 242440132 in words is "two hundred forty-two million, four hundred forty thousand, one hundred thirty-two".