240554200121252 has 144 divisors (see below), whose sum is σ = 453181619943360. Its totient is φ = 111697046323200.

The previous prime is 240554200121173. The next prime is 240554200121267. The reversal of 240554200121252 is 252121002455042.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20175637763 + ... + 20175649685.

It is an arithmetic number, because the mean of its divisors is an integer number (3147094582940).

Almost surely, 2^{240554200121252} is an apocalyptic number.

It is an amenable number.

240554200121252 is a deficient number, since it is larger than the sum of its proper divisors (212627419822108).

240554200121252 is a wasteful number, since it uses less digits than its factorization.

240554200121252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12862 (or 12843 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 240554200121252 its reverse (252121002455042), we get a palindrome (492675202576294).

The spelling of 240554200121252 in words is "two hundred forty trillion, five hundred fifty-four billion, two hundred million, one hundred twenty-one thousand, two hundred fifty-two".