243555015012414 has 32 divisors (see below), whose sum is σ = 556702406724096. Its totient is φ = 69586493452320.

The previous prime is 243555015012409. The next prime is 243555015012437. The reversal of 243555015012414 is 414210510555342.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22704162 + ... + 31663685.

It is an arithmetic number, because the mean of its divisors is an integer number (17396950210128).

Almost surely, 2^{243555015012414} is an apocalyptic number.

243555015012414 is an abundant number, since it is smaller than the sum of its proper divisors (313147391711682).

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

243555015012414 is a wasteful number, since it uses less digits than its factorization.

243555015012414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54474520.

The product of its (nonzero) digits is 480000, while the sum is 42.

Adding to 243555015012414 its reverse (414210510555342), we get a palindrome (657765525567756).

The spelling of 243555015012414 in words is "two hundred forty-three trillion, five hundred fifty-five billion, fifteen million, twelve thousand, four hundred fourteen".