1915949152 has 96 divisors (see below), whose sum is σ = 4203837792. Its totient is φ = 853991424.

The previous prime is 1915949143. The next prime is 1915949201. The reversal of 1915949152 is 2519495191.

It is a super-2 number, since 2×1915949152² = 7341722306099038208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1476568 + ... + 1477864.

It is an arithmetic number, because the mean of its divisors is an integer number (43789977).

Almost surely, 2^1915949152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1915949152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2101918896).

1915949152 is an abundant number, since it is smaller than the sum of its proper divisors (2287888640).

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

1915949152 is a wasteful number, since it uses less digits than its factorization.

1915949152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440 (or 1432 counting only the distinct ones).

The product of its digits is 145800, while the sum is 46.

The square root of 1915949152 is about 43771.5564265197. The cubic root of 1915949152 is about 1242.0182948115.

The spelling of 1915949152 in words is "one billion, nine hundred fifteen million, nine hundred forty-nine thousand, one hundred fifty-two".