1915915482 has 144 divisors (see below), whose sum is σ = 4677761088. Its totient is φ = 566092800.

The previous prime is 1915915471. The next prime is 1915915499. The reversal of 1915915482 is 2845195191.

1915915482 is a `hidden beast` number, since 1 + 9 + 1 + 591 + 54 + 8 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12688107 + ... + 12688257.

It is an arithmetic number, because the mean of its divisors is an integer number (32484452).

Almost surely, 2^1915915482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1915915482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2338880544).

1915915482 is an abundant number, since it is smaller than the sum of its proper divisors (2761845606).

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

1915915482 is a wasteful number, since it uses less digits than its factorization.

1915915482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 309 counting only the distinct ones).

The product of its digits is 129600, while the sum is 45.

The square root of 1915915482 is about 43771.1718143346. The cubic root of 1915915482 is about 1242.0110192181.

The spelling of 1915915482 in words is "one billion, nine hundred fifteen million, nine hundred fifteen thousand, four hundred eighty-two".