42141456 has 120 divisors (see below), whose sum is σ = 136491264. Its totient is φ = 11888640.

The previous prime is 42141443. The next prime is 42141457. The reversal of 42141456 is 65414124.

It is not an unprimeable number, because it can be changed into a prime (42141457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97561 + ... + 97991.

Almost surely, 2^42141456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42141456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68245632).

42141456 is an abundant number, since it is smaller than the sum of its proper divisors (94349808).

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

42141456 is a wasteful number, since it uses less digits than its factorization.

42141456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 540 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 42141456 is about 6491.6450919624. The cubic root of 42141456 is about 347.9924691196.

The spelling of 42141456 in words is "forty-two million, one hundred forty-one thousand, four hundred fifty-six".