420541199927442 has 24 divisors (see below), whose sum is σ = 994006472556240. Its totient is φ = 127436727250680.

The previous prime is 420541199927393. The next prime is 420541199927477. The reversal of 420541199927442 is 244729991145024.

420541199927442 is a `hidden beast` number, since 4 + 2 + 0 + 5 + 4 + 11 + 99 + 92 + 7 + 442 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 420541199927442.

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, 1061972726892 + ... + 1061972727287.

It is an arithmetic number, because the mean of its divisors is an integer number (41416936356510).

Almost surely, 2^{420541199927442} is an apocalyptic number.

420541199927442 is an abundant number, since it is smaller than the sum of its proper divisors (573465272628798).

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

420541199927442 is a wasteful number, since it uses less digits than its factorization.

420541199927442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123945454198 (or 2123945454195 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 420541199927442 in words is "four hundred twenty trillion, five hundred forty-one billion, one hundred ninety-nine million, nine hundred twenty-seven thousand, four hundred forty-two".