1948278372 has 24 divisors (see below), whose sum is σ = 4590121536. Its totient is φ = 643120608.

The previous prime is 1948278361. The next prime is 1948278379. The reversal of 1948278372 is 2738728491.

It is a super-2 number, since 2×1948278372² = 7591577229605940768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1948278379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786903 + ... + 789374.

It is an arithmetic number, because the mean of its divisors is an integer number (191255064).

Almost surely, 2^1948278372 is an apocalyptic number.

1948278372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1948278372 is an abundant number, since it is smaller than the sum of its proper divisors (2641843164).

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

1948278372 is a wasteful number, since it uses less digits than its factorization.

1948278372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576387 (or 1576385 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 51.

The square root of 1948278372 is about 44139.3064286244. The cubic root of 1948278372 is about 1248.9651962747.

The spelling of 1948278372 in words is "one billion, nine hundred forty-eight million, two hundred seventy-eight thousand, three hundred seventy-two".