240213355155 has 24 divisors (see below), whose sum is σ = 423195555120. Its totient is φ = 126013561920.

The previous prime is 240213355133. The next prime is 240213355163. The reversal of 240213355155 is 551553312042.

240213355155 is a `hidden beast` number, since 2 + 4 + 0 + 2 + 133 + 5 + 515 + 5 = 666.

It is not a de Polignac number, because 240213355155 - 2⁷ = 240213355027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43751965 + ... + 43757454.

It is an arithmetic number, because the mean of its divisors is an integer number (17633148130).

Almost surely, 2^240213355155 is an apocalyptic number.

240213355155 is a deficient number, since it is larger than the sum of its proper divisors (182982199965).

240213355155 is a wasteful number, since it uses less digits than its factorization.

240213355155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87509491 (or 87509488 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 240213355155 its reverse (551553312042), we get a palindrome (791766667197).

The spelling of 240213355155 in words is "two hundred forty billion, two hundred thirteen million, three hundred fifty-five thousand, one hundred fifty-five".