4041400525 has 6 divisors (see below), whose sum is σ = 5011336682. Its totient is φ = 3233120400.

The previous prime is 4041400513. The next prime is 4041400543. The reversal of 4041400525 is 5250041404.

It is a happy number.

4041400525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 83229129 + 3958171396 = 9123^2 + 62914^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4041400525 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 161656021 = 4041400525 / (4 + 0 + 4 + 1 + 4 + 0 + 0 + 5 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4041400525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80827986 + ... + 80828035.

Almost surely, 2^4041400525 is an apocalyptic number.

It is an amenable number.

4041400525 is a deficient number, since it is larger than the sum of its proper divisors (969936157).

4041400525 is a wasteful number, since it uses less digits than its factorization.

4041400525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161656031 (or 161656026 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 4041400525 is about 63572.0105470953. The cubic root of 4041400525 is about 1592.8588684269.

Adding to 4041400525 its reverse (5250041404), we get a palindrome (9291441929).

The spelling of 4041400525 in words is "four billion, forty-one million, four hundred thousand, five hundred twenty-five".