241994977695648 has 72 divisors (see below), whose sum is σ = 718093792529568. Its totient is φ = 77157818973312.

The previous prime is 241994977695619. The next prime is 241994977695649. The reversal of 241994977695648 is 846596779499142.

241994977695648 is a `hidden beast` number, since 2 + 4 + 1 + 9 + 9 + 497 + 7 + 69 + 56 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (241994977695649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18266522490 + ... + 18266535737.

It is an arithmetic number, because the mean of its divisors is an integer number (9973524896244).

Almost surely, 2^{241994977695648} is an apocalyptic number.

It is an amenable number.

241994977695648 is an abundant number, since it is smaller than the sum of its proper divisors (476098814833920).

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

241994977695648 is a wasteful number, since it uses less digits than its factorization.

241994977695648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36533058266 (or 36533058255 counting only the distinct ones).

The product of its digits is 59256852480, while the sum is 90.

The spelling of 241994977695648 in words is "two hundred forty-one trillion, nine hundred ninety-four billion, nine hundred seventy-seven million, six hundred ninety-five thousand, six hundred forty-eight".