242400052 has 12 divisors (see below), whose sum is σ = 425037060. Its totient is φ = 120960896.

The previous prime is 242400049. The next prime is 242400079. The reversal of 242400052 is 250004242.

It can be written as a sum of positive squares in 2 ways, for example, as 180526096 + 61873956 = 13436^2 + 7866^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57493 + ... + 61564.

It is an arithmetic number, because the mean of its divisors is an integer number (35419755).

Almost surely, 2^242400052 is an apocalyptic number.

It is an amenable number.

242400052 is a deficient number, since it is larger than the sum of its proper divisors (182637008).

242400052 is a wasteful number, since it uses less digits than its factorization.

242400052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119570 (or 119568 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 242400052 is about 15569.2020347865. The cubic root of 242400052 is about 623.5111672595.

Adding to 242400052 its reverse (250004242), we get a palindrome (492404294).

The spelling of 242400052 in words is "two hundred forty-two million, four hundred thousand, fifty-two".