241782135648 has 48 divisors (see below), whose sum is σ = 645082680816. Its totient is φ = 79272829440.

The previous prime is 241782135629. The next prime is 241782135649. The reversal of 241782135648 is 846531287142.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×241782135648² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 241782135648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241782135649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20638111 + ... + 20649822.

It is an arithmetic number, because the mean of its divisors is an integer number (13439222517).

Almost surely, 2^241782135648 is an apocalyptic number.

It is an amenable number.

241782135648 is an abundant number, since it is smaller than the sum of its proper divisors (403300545168).

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

241782135648 is a wasteful number, since it uses less digits than its factorization.

241782135648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41288007 (or 41287999 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 51.

The spelling of 241782135648 in words is "two hundred forty-one billion, seven hundred eighty-two million, one hundred thirty-five thousand, six hundred forty-eight".