1965958260 has 48 divisors (see below), whose sum is σ = 6291067776. Its totient is φ = 449361792.

The previous prime is 1965958207. The next prime is 1965958261. The reversal of 1965958260 is 628595691.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1965958261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2340007 + ... + 2340846.

It is an arithmetic number, because the mean of its divisors is an integer number (131063912).

Almost surely, 2^1965958260 is an apocalyptic number.

1965958260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1965958260 is an abundant number, since it is smaller than the sum of its proper divisors (4325109516).

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

1965958260 is a wasteful number, since it uses less digits than its factorization.

1965958260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4680872 (or 4680870 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 51.

The square root of 1965958260 is about 44339.1278669304. The cubic root of 1965958260 is about 1252.7317876532.

The spelling of 1965958260 in words is "one billion, nine hundred sixty-five million, nine hundred fifty-eight thousand, two hundred sixty".