3540742532 has 12 divisors (see below), whose sum is σ = 6241528860. Its totient is φ = 1757448576.

The previous prime is 3540742489. The next prime is 3540742547. The reversal of 3540742532 is 2352470453.

It can be written as a sum of positive squares in 2 ways, for example, as 720707716 + 2820034816 = 26846^2 + 53104^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3540742492 and 3540742501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3230057 + ... + 3231152.

It is an arithmetic number, because the mean of its divisors is an integer number (520127405).

Almost surely, 2^3540742532 is an apocalyptic number.

It is an amenable number.

3540742532 is a deficient number, since it is larger than the sum of its proper divisors (2700786328).

3540742532 is a wasteful number, since it uses less digits than its factorization.

3540742532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6461350 (or 6461348 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 35.

The square root of 3540742532 is about 59504.1387804243. The cubic root of 3540742532 is about 1524.1631215141.

The spelling of 3540742532 in words is "three billion, five hundred forty million, seven hundred forty-two thousand, five hundred thirty-two".