3525540120 has 128 divisors (see below), whose sum is σ = 11841984000. Its totient is φ = 932929920.

The previous prime is 3525540101. The next prime is 3525540143. The reversal of 3525540120 is 210455253.

It is a happy number.

3525540120 is a `hidden beast` number, since 3 + 5 + 255 + 401 + 2 + 0 = 666.

It is a super-2 number, since 2×3525540120² = 24858866275459228800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129021 + ... + 153939.

It is an arithmetic number, because the mean of its divisors is an integer number (92515500).

Almost surely, 2^3525540120 is an apocalyptic number.

3525540120 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 3525540120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5920992000).

3525540120 is an abundant number, since it is smaller than the sum of its proper divisors (8316443880).

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

3525540120 is a wasteful number, since it uses less digits than its factorization.

3525540120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25070 (or 25060 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 3525540120 is about 59376.2588919174. The cubic root of 3525540120 is about 1521.9786270794.

Adding to 3525540120 its reverse (210455253), we get a palindrome (3735995373).

The spelling of 3525540120 in words is "three billion, five hundred twenty-five million, five hundred forty thousand, one hundred twenty".