3525644540 has 24 divisors (see below), whose sum is σ = 8076931632. Its totient is φ = 1282052480.

The previous prime is 3525644537. The next prime is 3525644561. The reversal of 3525644540 is 454465253.

It is a junction number, because it is equal to n+sod(n) for n = 3525644494 and 3525644503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8012609 + ... + 8013048.

It is an arithmetic number, because the mean of its divisors is an integer number (336538818).

Almost surely, 2^3525644540 is an apocalyptic number.

It is an amenable number.

3525644540 is an abundant number, since it is smaller than the sum of its proper divisors (4551287092).

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

3525644540 is a wasteful number, since it uses less digits than its factorization.

3525644540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16025677 (or 16025675 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

The square root of 3525644540 is about 59377.1381930790. The cubic root of 3525644540 is about 1521.9936529983.

The spelling of 3525644540 in words is "three billion, five hundred twenty-five million, six hundred forty-four thousand, five hundred forty".