1956120288 has 24 divisors (see below), whose sum is σ = 5134816008. Its totient is φ = 652040064.

The previous prime is 1956120259. The next prime is 1956120323. The reversal of 1956120288 is 8820216591.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1956120288² = 7652813162250405888, which contains 22 as substring.

It is a congruent number.

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, 10188031 + ... + 10188222.

It is an arithmetic number, because the mean of its divisors is an integer number (213950667).

Almost surely, 2^1956120288 is an apocalyptic number.

It is an amenable number.

1956120288 is an abundant number, since it is smaller than the sum of its proper divisors (3178695720).

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

1956120288 is a wasteful number, since it uses less digits than its factorization.

1956120288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20376266 (or 20376258 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 1956120288 is about 44228.0486569326. The cubic root of 1956120288 is about 1250.6386683999.

The spelling of 1956120288 in words is "one billion, nine hundred fifty-six million, one hundred twenty thousand, two hundred eighty-eight".