1268432904 has 16 divisors (see below), whose sum is σ = 3171082320. Its totient is φ = 422810960.

The previous prime is 1268432903. The next prime is 1268432923. The reversal of 1268432904 is 4092348621.

It is not an unprimeable number, because it can be changed into a prime (1268432903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26425662 + ... + 26425709.

It is an arithmetic number, because the mean of its divisors is an integer number (198192645).

Almost surely, 2^1268432904 is an apocalyptic number.

It is an amenable number.

1268432904 is an abundant number, since it is smaller than the sum of its proper divisors (1902649416).

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

1268432904 is a wasteful number, since it uses less digits than its factorization.

1268432904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52851380 (or 52851376 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 1268432904 is about 35615.0656885538. The cubic root of 1268432904 is about 1082.4865272908.

The spelling of 1268432904 in words is "one billion, two hundred sixty-eight million, four hundred thirty-two thousand, nine hundred four".