3525599240 has 96 divisors (see below), whose sum is σ = 8245226520. Its totient is φ = 1356493824.

The previous prime is 3525599239. The next prime is 3525599251. The reversal of 3525599240 is 429955253.

It can be written as a sum of positive squares in 4 ways, for example, as 2496601156 + 1028998084 = 49966^2 + 32078^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3525599191 and 3525599200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5398754 + ... + 5399406.

Almost surely, 2^3525599240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3525599240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4122613260).

3525599240 is an abundant number, since it is smaller than the sum of its proper divisors (4719627280).

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

3525599240 is a wasteful number, since it uses less digits than its factorization.

3525599240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 44.

The square root of 3525599240 is about 59376.7567319065. The cubic root of 3525599240 is about 1521.9871344164.

The spelling of 3525599240 in words is "three billion, five hundred twenty-five million, five hundred ninety-nine thousand, two hundred forty".