42156348 has 48 divisors (see below), whose sum is σ = 106587936. Its totient is φ = 12890880.

The previous prime is 42156347. The next prime is 42156349. The reversal of 42156348 is 84365124.

It is an interprime number because it is at equal distance from previous prime (42156347) and next prime (42156349).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42156347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27490 + ... + 28982.

It is an arithmetic number, because the mean of its divisors is an integer number (2220582).

Almost surely, 2^42156348 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 42156348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53293968).

42156348 is an abundant number, since it is smaller than the sum of its proper divisors (64431588).

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

42156348 is a wasteful number, since it uses less digits than its factorization.

42156348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694 (or 1692 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 42156348 is about 6492.7920034451. The cubic root of 42156348 is about 348.0334556289.

The spelling of 42156348 in words is "forty-two million, one hundred fifty-six thousand, three hundred forty-eight".