242043400 has 48 divisors (see below), whose sum is σ = 564043140. Its totient is φ = 96595200.

The previous prime is 242043353. The next prime is 242043407. The reversal of 242043400 is 4340242.

It can be written as a sum of positive squares in 6 ways, for example, as 112402404 + 129640996 = 10602^2 + 11386^2 .

It is not an unprimeable number, because it can be changed into a prime (242043407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107082 + ... + 109318.

Almost surely, 2^242043400 is an apocalyptic number.

242043400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242043400 is an abundant number, since it is smaller than the sum of its proper divisors (321999740).

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

242043400 is a wasteful number, since it uses less digits than its factorization.

242043400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794 (or 2785 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 242043400 is about 15557.7440524004. The cubic root of 242043400 is about 623.2052189511.

Adding to 242043400 its reverse (4340242), we get a palindrome (246383642).

The spelling of 242043400 in words is "two hundred forty-two million, forty-three thousand, four hundred".