241806990042 has 24 divisors (see below), whose sum is σ = 543319410816. Its totient is φ = 80602329852.

The previous prime is 241806990041. The next prime is 241806990071. The reversal of 241806990042 is 240099608142.

It is a self number, because there is not a number n which added to its sum of digits gives 241806990042.

It is not an unprimeable number, because it can be changed into a prime (241806990041) 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, 248772138 + ... + 248773109.

It is an arithmetic number, because the mean of its divisors is an integer number (22638308784).

Almost surely, 2^241806990042 is an apocalyptic number.

241806990042 is an abundant number, since it is smaller than the sum of its proper divisors (301512420774).

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

241806990042 is an equidigital number, since it uses as much as digits as its factorization.

241806990042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497545264 (or 497545252 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 241806990042 in words is "two hundred forty-one billion, eight hundred six million, nine hundred ninety thousand, forty-two".