42514820 has 12 divisors (see below), whose sum is σ = 89281164. Its totient is φ = 17005920.

The previous prime is 42514789. The next prime is 42514847. The reversal of 42514820 is 2841524.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23990404 + 18524416 = 4898^2 + 4304^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42514820.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062851 + ... + 1062890.

It is an arithmetic number, because the mean of its divisors is an integer number (7440097).

Almost surely, 2^42514820 is an apocalyptic number.

It is an amenable number.

42514820 is an abundant number, since it is smaller than the sum of its proper divisors (46766344).

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

42514820 is a wasteful number, since it uses less digits than its factorization.

42514820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125750 (or 2125748 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 42514820 is about 6520.3389482449. The cubic root of 42514820 is about 349.0171610295.

It can be divided in two parts, 42514 and 820, that added together give a palindrome (43334).

The spelling of 42514820 in words is "forty-two million, five hundred fourteen thousand, eight hundred twenty".