42102341442 has 72 divisors (see below), whose sum is σ = 106304820336. Its totient is φ = 12007732464.

The previous prime is 42102341387. The next prime is 42102341461. The reversal of 42102341442 is 24414320124.

42102341442 is a `hidden beast` number, since 4 + 210 + 2 + 3 + 4 + 1 + 442 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 454173 + ... + 538959.

It is an arithmetic number, because the mean of its divisors is an integer number (1476455838).

Almost surely, 2^42102341442 is an apocalyptic number.

42102341442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42102341442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53152410168).

42102341442 is an abundant number, since it is smaller than the sum of its proper divisors (64202478894).

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

42102341442 is a wasteful number, since it uses less digits than its factorization.

42102341442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85372 (or 85362 counting only the distinct ones).

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

Adding to 42102341442 its reverse (24414320124), we get a palindrome (66516661566).

The spelling of 42102341442 in words is "forty-two billion, one hundred two million, three hundred forty-one thousand, four hundred forty-two".