3525526620 has 288 divisors, whose sum is σ = 13828179456. Its totient is φ = 732499200.

The previous prime is 3525526619. The next prime is 3525526681. The reversal of 3525526620 is 266255253.

3525526620 is a `hidden beast` number, since 3 + 5 + 2 + 5 + 5 + 26 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 369510 + ... + 378930.

It is an arithmetic number, because the mean of its divisors is an integer number (48014512).

Almost surely, 2^3525526620 is an apocalyptic number.

3525526620 is a gapful number since it is divisible by the number (30) 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 3525526620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6914089728).

3525526620 is an abundant number, since it is smaller than the sum of its proper divisors (10302652836).

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

3525526620 is a wasteful number, since it uses less digits than its factorization.

3525526620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9463 (or 9449 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 3525526620 is about 59376.1452100084. The cubic root of 3525526620 is about 1521.9766844232.

The spelling of 3525526620 in words is "three billion, five hundred twenty-five million, five hundred twenty-six thousand, six hundred twenty".