4025012445 has 32 divisors (see below), whose sum is σ = 7158205440. Its totient is φ = 2145885120.

The previous prime is 4025012423. The next prime is 4025012449. The reversal of 4025012445 is 5442105204.

It is not a de Polignac number, because 4025012445 - 2⁵ = 4025012413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025012449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 683815 + ... + 689675.

It is an arithmetic number, because the mean of its divisors is an integer number (223693920).

Almost surely, 2^4025012445 is an apocalyptic number.

4025012445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4025012445 is a deficient number, since it is larger than the sum of its proper divisors (3133192995).

4025012445 is a wasteful number, since it uses less digits than its factorization.

4025012445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10962 (or 10956 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 4025012445 is about 63442.9857825118. The cubic root of 4025012445 is about 1590.7029109967.

Adding to 4025012445 its reverse (5442105204), we get a palindrome (9467117649).

The spelling of 4025012445 in words is "four billion, twenty-five million, twelve thousand, four hundred forty-five".