1255490648 has 16 divisors (see below), whose sum is σ = 2354871960. Its totient is φ = 627524800.

The previous prime is 1255490641. The next prime is 1255490713. The reversal of 1255490648 is 8460945521.

It is a super-3 number, since 3×1255490648³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1255490599 and 1255490608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255490641) 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 3 ways as a sum of consecutive naturals, for example, 1973 + ... + 50148.

Almost surely, 2^1255490648 is an apocalyptic number.

It is an amenable number.

1255490648 is a deficient number, since it is larger than the sum of its proper divisors (1099381312).

1255490648 is a wasteful number, since it uses less digits than its factorization.

1255490648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55138 (or 55134 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 1255490648 is about 35432.9034655643. The cubic root of 1255490648 is about 1078.7922736305.

The spelling of 1255490648 in words is "one billion, two hundred fifty-five million, four hundred ninety thousand, six hundred forty-eight".