4042500 has 180 divisors, whose sum is σ = 14957712. Its totient is φ = 840000.

The previous prime is 4042471. The next prime is 4042501. The reversal of 4042500 is 52404.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a nialpdrome in base 14.

It is a zygodrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 4042500.

It is not an unprimeable number, because it can be changed into a prime (4042501) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 367495 + ... + 367505.

Almost surely, 2^4042500 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 4042500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7478856).

4042500 is an abundant number, since it is smaller than the sum of its proper divisors (10915212).

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

4042500 is a wasteful number, since it uses less digits than its factorization.

4042500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 4042500 is about 2010.5969262883. The cubic root of 4042500 is about 159.3003302656.

Adding to 4042500 its reverse (52404), we get a palindrome (4094904).

The spelling of 4042500 in words is "four million, forty-two thousand, five hundred".