42141330 has 128 divisors (see below), whose sum is σ = 140175360. Its totient is φ = 8752320.

The previous prime is 42141299. The next prime is 42141347. The reversal of 42141330 is 3314124.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19777 + ... + 21803.

It is an arithmetic number, because the mean of its divisors is an integer number (1095120).

Almost surely, 2^42141330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42141330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70087680).

42141330 is an abundant number, since it is smaller than the sum of its proper divisors (98034030).

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

42141330 is a wasteful number, since it uses less digits than its factorization.

42141330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061 (or 2055 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 42141330 is about 6491.6353871733. The cubic root of 42141330 is about 347.9921222949.

Adding to 42141330 its reverse (3314124), we get a palindrome (45455454).

The spelling of 42141330 in words is "forty-two million, one hundred forty-one thousand, three hundred thirty".