1263782432 has 24 divisors (see below), whose sum is σ = 2714260752. Its totient is φ = 574446400.

The previous prime is 1263782417. The next prime is 1263782441. The reversal of 1263782432 is 2342873621.

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 3 ways as a sum of consecutive naturals, for example, 1794794 + ... + 1795497.

It is an arithmetic number, because the mean of its divisors is an integer number (113094198).

Almost surely, 2^1263782432 is an apocalyptic number.

It is an amenable number.

1263782432 is an abundant number, since it is smaller than the sum of its proper divisors (1450478320).

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

1263782432 is a wasteful number, since it uses less digits than its factorization.

1263782432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590312 (or 3590304 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 1263782432 is about 35549.7177485279. The cubic root of 1263782432 is about 1081.1619957911.

The spelling of 1263782432 in words is "one billion, two hundred sixty-three million, seven hundred eighty-two thousand, four hundred thirty-two".