3201281540 has 48 divisors (see below), whose sum is σ = 6784404480. Its totient is φ = 1268803200.

The previous prime is 3201281513. The next prime is 3201281561. The reversal of 3201281540 is 451821023.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1445474 + ... + 1447686.

It is an arithmetic number, because the mean of its divisors is an integer number (141341760).

Almost surely, 2^3201281540 is an apocalyptic number.

It is an amenable number.

3201281540 is an abundant number, since it is smaller than the sum of its proper divisors (3583122940).

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

3201281540 is a wasteful number, since it uses less digits than its factorization.

3201281540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852 (or 2850 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 3201281540 is about 56579.8686813605. The cubic root of 3201281540 is about 1473.8092912733.

The spelling of 3201281540 in words is "three billion, two hundred one million, two hundred eighty-one thousand, five hundred forty".