421041340242 has 24 divisors (see below), whose sum is σ = 912293990400. Its totient is φ = 140341305240.

The previous prime is 421041340231. The next prime is 421041340253. The reversal of 421041340242 is 242043140124.

421041340242 is a `hidden beast` number, since 4 + 2 + 1 + 0 + 413 + 4 + 0 + 242 = 666.

It is an interprime number because it is at equal distance from previous prime (421041340231) and next prime (421041340253).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25234 + ... + 917997.

It is an arithmetic number, because the mean of its divisors is an integer number (38012249600).

Almost surely, 2^421041340242 is an apocalyptic number.

421041340242 is an abundant number, since it is smaller than the sum of its proper divisors (491252650158).

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

421041340242 is a wasteful number, since it uses less digits than its factorization.

421041340242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968038 (or 968035 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 421041340242 its reverse (242043140124), we get a palindrome (663084480366).

The spelling of 421041340242 in words is "four hundred twenty-one billion, forty-one million, three hundred forty thousand, two hundred forty-two".