1948772260 has 12 divisors (see below), whose sum is σ = 4092421788. Its totient is φ = 779508896.

The previous prime is 1948772239. The next prime is 1948772261. The reversal of 1948772260 is 622778491.

It can be written as a sum of positive squares in 2 ways, for example, as 713530944 + 1235241316 = 26712^2 + 35146^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1948772260.

It is not an unprimeable number, because it can be changed into a prime (1948772261) by changing a digit.

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, 48719287 + ... + 48719326.

It is an arithmetic number, because the mean of its divisors is an integer number (341035149).

Almost surely, 2^1948772260 is an apocalyptic number.

1948772260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1948772260 is an abundant number, since it is smaller than the sum of its proper divisors (2143649528).

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

1948772260 is a wasteful number, since it uses less digits than its factorization.

1948772260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97438622 (or 97438620 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 1948772260 is about 44144.9007247723. The cubic root of 1948772260 is about 1249.0707247959.

The spelling of 1948772260 in words is "one billion, nine hundred forty-eight million, seven hundred seventy-two thousand, two hundred sixty".