420141042 has 24 divisors (see below), whose sum is σ = 912697344. Its totient is φ = 139679064.

The previous prime is 420141013. The next prime is 420141049. The reversal of 420141042 is 240141024.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (420141049) 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, 23578 + ... + 37365.

It is an arithmetic number, because the mean of its divisors is an integer number (38029056).

Almost surely, 2^420141042 is an apocalyptic number.

420141042 is an abundant number, since it is smaller than the sum of its proper divisors (492556302).

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

420141042 is a wasteful number, since it uses less digits than its factorization.

420141042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61334 (or 61331 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 420141042 is about 20497.3423155296. The cubic root of 420141042 is about 748.9710583510.

Subtracting from 420141042 its sum of digits (18), we obtain a palindrome (420141024).

Adding to 420141042 its reverse (240141024), we get a palindrome (660282066).

The spelling of 420141042 in words is "four hundred twenty million, one hundred forty-one thousand, forty-two".