420883240242 has 16 divisors (see below), whose sum is σ = 841821357312. Its totient is φ = 140285267280.

The previous prime is 420883240241. The next prime is 420883240301. The reversal of 420883240242 is 242042388024.

It is a self number, because there is not a number n which added to its sum of digits gives 420883240242.

It is not an unprimeable number, because it can be changed into a prime (420883240241) 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, 2186493 + ... + 2371184.

It is an arithmetic number, because the mean of its divisors is an integer number (52613834832).

Almost surely, 2^420883240242 is an apocalyptic number.

420883240242 is an abundant number, since it is smaller than the sum of its proper divisors (420938117070).

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

420883240242 is a wasteful number, since it uses less digits than its factorization.

420883240242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573073.

The product of its (nonzero) digits is 196608, while the sum is 39.

The spelling of 420883240242 in words is "four hundred twenty billion, eight hundred eighty-three million, two hundred forty thousand, two hundred forty-two".