1950939648 has 160 divisors (see below), whose sum is σ = 6600232320. Its totient is φ = 557383680.

The previous prime is 1950939631. The next prime is 1950939677. The reversal of 1950939648 is 8469390591.

1950939648 is a `hidden beast` number, since 1 + 9 + 509 + 3 + 96 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1950939594 and 1950939603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86688 + ... + 106848.

It is an arithmetic number, because the mean of its divisors is an integer number (41251452).

Almost surely, 2^1950939648 is an apocalyptic number.

1950939648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1950939648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3300116160).

1950939648 is an abundant number, since it is smaller than the sum of its proper divisors (4649292672).

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

1950939648 is an equidigital number, since it uses as much as digits as its factorization.

1950939648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20195 (or 20173 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The square root of 1950939648 is about 44169.4424687476. The cubic root of 1950939648 is about 1249.5336175849.

The spelling of 1950939648 in words is "one billion, nine hundred fifty million, nine hundred thirty-nine thousand, six hundred forty-eight".