243140451382288 has 40 divisors (see below), whose sum is σ = 471465484826336. Its totient is φ = 121471977888000.

The previous prime is 243140451382219. The next prime is 243140451382291. The reversal of 243140451382288 is 882283154041342.

It is a super-2 number, since 2×243140451382288² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99478063 + ... + 101892913.

Almost surely, 2^{243140451382288} is an apocalyptic number.

It is an amenable number.

243140451382288 is a deficient number, since it is larger than the sum of its proper divisors (228325033444048).

243140451382288 is a wasteful number, since it uses less digits than its factorization.

243140451382288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419943 (or 2419937 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 55.

The spelling of 243140451382288 in words is "two hundred forty-three trillion, one hundred forty billion, four hundred fifty-one million, three hundred eighty-two thousand, two hundred eighty-eight".