3161201440 has 48 divisors (see below), whose sum is σ = 7709264640. Its totient is φ = 1223688960.

The previous prime is 3161201419. The next prime is 3161201441. The reversal of 3161201440 is 441021613.

It is not an unprimeable number, because it can be changed into a prime (3161201441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313710 + ... + 323629.

It is an arithmetic number, because the mean of its divisors is an integer number (160609680).

Almost surely, 2^3161201440 is an apocalyptic number.

It is an amenable number.

3161201440 is an abundant number, since it is smaller than the sum of its proper divisors (4548063200).

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

3161201440 is a wasteful number, since it uses less digits than its factorization.

3161201440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637385 (or 637377 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 3161201440 is about 56224.5626039012. The cubic root of 3161201440 is about 1467.6327363449.

The spelling of 3161201440 in words is "three billion, one hundred sixty-one million, two hundred one thousand, four hundred forty".