1268398410 has 32 divisors (see below), whose sum is σ = 3057238080. Its totient is φ = 336786048.

The previous prime is 1268398399. The next prime is 1268398429. The reversal of 1268398410 is 148938621.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83740 + ... + 97719.

It is an arithmetic number, because the mean of its divisors is an integer number (95538690).

Almost surely, 2^1268398410 is an apocalyptic number.

1268398410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1268398410 is an abundant number, since it is smaller than the sum of its proper divisors (1788839670).

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

1268398410 is a wasteful number, since it uses less digits than its factorization.

1268398410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181702.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 1268398410 is about 35614.5814239056. The cubic root of 1268398410 is about 1082.4767147553.

The spelling of 1268398410 in words is "one billion, two hundred sixty-eight million, three hundred ninety-eight thousand, four hundred ten".