3161252240 has 40 divisors (see below), whose sum is σ = 7352737728. Its totient is φ = 1264014720.

The previous prime is 3161252201. The next prime is 3161252333. The reversal of 3161252240 is 422521613.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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, 260549 + ... + 272411.

Almost surely, 2^3161252240 is an apocalyptic number.

It is an amenable number.

3161252240 is an abundant number, since it is smaller than the sum of its proper divisors (4191485488).

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

3161252240 is a wasteful number, since it uses less digits than its factorization.

3161252240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15207 (or 15201 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 3161252240 is about 56225.0143619368. The cubic root of 3161252240 is about 1467.6405978436.

Adding to 3161252240 its reverse (422521613), we get a palindrome (3583773853).

The spelling of 3161252240 in words is "three billion, one hundred sixty-one million, two hundred fifty-two thousand, two hundred forty".