1965480172 has 12 divisors (see below), whose sum is σ = 3481031736. Its totient is φ = 970899680.

The previous prime is 1965480119. The next prime is 1965480239. The reversal of 1965480172 is 2710845691.

It is a super-2 number, since 2×1965480172² = 7726224613050299168, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2959729 + ... + 2960392.

It is an arithmetic number, because the mean of its divisors is an integer number (290085978).

Almost surely, 2^1965480172 is an apocalyptic number.

It is an amenable number.

1965480172 is a deficient number, since it is larger than the sum of its proper divisors (1515551564).

1965480172 is a wasteful number, since it uses less digits than its factorization.

1965480172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920208 (or 5920206 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 1965480172 is about 44333.7362738581. The cubic root of 1965480172 is about 1252.6302316500.

The spelling of 1965480172 in words is "one billion, nine hundred sixty-five million, four hundred eighty thousand, one hundred seventy-two".