4051525240 has 64 divisors (see below), whose sum is σ = 10438580160. Its totient is φ = 1386378240.

The previous prime is 4051525223. The next prime is 4051525259. The reversal of 4051525240 is 425251504.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 4051525199 and 4051525208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131994 + ... + 159766.

It is an arithmetic number, because the mean of its divisors is an integer number (163102815).

Almost surely, 2^4051525240 is an apocalyptic number.

4051525240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4051525240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5219290080).

4051525240 is an abundant number, since it is smaller than the sum of its proper divisors (6387054920).

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

4051525240 is a wasteful number, since it uses less digits than its factorization.

4051525240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28312 (or 28308 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 4051525240 is about 63651.5925959437. The cubic root of 4051525240 is about 1594.1879285803.

Adding to 4051525240 its reverse (425251504), we get a palindrome (4476776744).

The spelling of 4051525240 in words is "four billion, fifty-one million, five hundred twenty-five thousand, two hundred forty".