1263884480 has 56 divisors (see below), whose sum is σ = 3090995088. Its totient is φ = 491885568.

The previous prime is 1263884441. The next prime is 1263884497. The reversal of 1263884480 is 844883621.

It is an unprimeable number.

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, 41534 + ... + 65213.

Almost surely, 2^1263884480 is an apocalyptic number.

1263884480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1263884480 is an abundant number, since it is smaller than the sum of its proper divisors (1827110608).

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

1263884480 is a wasteful number, since it uses less digits than its factorization.

1263884480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106801 (or 106791 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The square root of 1263884480 is about 35551.1530052121. The cubic root of 1263884480 is about 1081.1910955916.

The spelling of 1263884480 in words is "one billion, two hundred sixty-three million, eight hundred eighty-four thousand, four hundred eighty".