42566376 has 64 divisors (see below), whose sum is σ = 113011200. Its totient is φ = 13331648.

The previous prime is 42566369. The next prime is 42566389. The reversal of 42566376 is 67366524.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31915 + ... + 33221.

It is an arithmetic number, because the mean of its divisors is an integer number (1765800).

Almost surely, 2^42566376 is an apocalyptic number.

42566376 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42566376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56505600).

42566376 is an abundant number, since it is smaller than the sum of its proper divisors (70444824).

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

42566376 is a wasteful number, since it uses less digits than its factorization.

42566376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398 (or 1394 counting only the distinct ones).

The product of its digits is 181440, while the sum is 39.

The square root of 42566376 is about 6524.2912258727. The cubic root of 42566376 is about 349.1581836983.

The spelling of 42566376 in words is "forty-two million, five hundred sixty-six thousand, three hundred seventy-six".