42549892 has 72 divisors (see below), whose sum is σ = 98611520. Its totient is φ = 15681600.

The previous prime is 42549883. The next prime is 42549901. The reversal of 42549892 is 29894524.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42549883) and next prime (42549901).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64042 + ... + 64702.

Almost surely, 2^42549892 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 42549892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49305760).

42549892 is an abundant number, since it is smaller than the sum of its proper divisors (56061628).

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

42549892 is a wasteful number, since it uses less digits than its factorization.

42549892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 700 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 42549892 is about 6523.0278245612. The cubic root of 42549892 is about 349.1131069096.

The spelling of 42549892 in words is "forty-two million, five hundred forty-nine thousand, eight hundred ninety-two".