42054570 has 96 divisors (see below), whose sum is σ = 114493392. Its totient is φ = 10699776.

The previous prime is 42054541. The next prime is 42054577. The reversal of 42054570 is 7545024.

42054570 is a `hidden beast` number, since 4 + 205 + 457 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 36978561 + 5076009 = 6081^2 + 2253^2 .

It is not an unprimeable number, because it can be changed into a prime (42054577) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 243004 + ... + 243176.

Almost surely, 2^42054570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42054570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57246696).

42054570 is an abundant number, since it is smaller than the sum of its proper divisors (72438822).

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

42054570 is a wasteful number, since it uses less digits than its factorization.

42054570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 42054570 is about 6484.9494986468. The cubic root of 42054570 is about 347.7531443941.

Adding to 42054570 its reverse (7545024), we get a palindrome (49599594).

It can be divided in two parts, 42054 and 570, that added together give a palindrome (42624).

The spelling of 42054570 in words is "forty-two million, fifty-four thousand, five hundred seventy".