3642025530 has 128 divisors (see below), whose sum is σ = 10423074816. Its totient is φ = 802771200.

The previous prime is 3642025529. The next prime is 3642025537. The reversal of 3642025530 is 355202463.

3642025530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3642025530² = 26528699922343561800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (3642025537) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 281095 + ... + 293765.

It is an arithmetic number, because the mean of its divisors is an integer number (81430272).

Almost surely, 2^3642025530 is an apocalyptic number.

3642025530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3642025530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5211537408).

3642025530 is an abundant number, since it is smaller than the sum of its proper divisors (6781049286).

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

3642025530 is a wasteful number, since it uses less digits than its factorization.

3642025530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12772.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 3642025530 is about 60349.1965978007. The cubic root of 3642025530 is about 1538.5596148636.

Adding to 3642025530 its reverse (355202463), we get a palindrome (3997227993).

The spelling of 3642025530 in words is "three billion, six hundred forty-two million, twenty-five thousand, five hundred thirty".