42025434 has 16 divisors (see below), whose sum is σ = 91692000. Its totient is φ = 12734960.

The previous prime is 42025433. The next prime is 42025447. The reversal of 42025434 is 43452024.

It is a super-3 number, since 3×42025434³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (42025433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318309 + ... + 318440.

It is an arithmetic number, because the mean of its divisors is an integer number (5730750).

Almost surely, 2^42025434 is an apocalyptic number.

42025434 is an abundant number, since it is smaller than the sum of its proper divisors (49666566).

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

42025434 is a wasteful number, since it uses less digits than its factorization.

42025434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636765.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 42025434 is about 6482.7026771247. The cubic root of 42025434 is about 347.6728164106.

Adding to 42025434 its reverse (43452024), we get a palindrome (85477458).

The spelling of 42025434 in words is "forty-two million, twenty-five thousand, four hundred thirty-four".