1954447048 has 8 divisors (see below), whose sum is σ = 3664588230. Its totient is φ = 977223520.

The previous prime is 1954447021. The next prime is 1954447067. The reversal of 1954447048 is 8407444591.

It can be written as a sum of positive squares in only one way, i.e., 1871600644 + 82846404 = 43262^2 + 9102^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1954446989 and 1954447007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122152933 + ... + 122152948.

Almost surely, 2^1954447048 is an apocalyptic number.

It is an amenable number.

1954447048 is a deficient number, since it is larger than the sum of its proper divisors (1710141182).

1954447048 is a wasteful number, since it uses less digits than its factorization.

1954447048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244305887 (or 244305883 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 1954447048 is about 44209.1285596086. The cubic root of 1954447048 is about 1250.2819732947.

The spelling of 1954447048 in words is "one billion, nine hundred fifty-four million, four hundred forty-seven thousand, forty-eight".