1268406370 has 128 divisors (see below), whose sum is σ = 3019161600. Its totient is φ = 371692800.

The previous prime is 1268406353. The next prime is 1268406371. The reversal of 1268406370 is 736048621.

1268406370 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1268406371) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2647791 + ... + 2648269.

It is an arithmetic number, because the mean of its divisors is an integer number (23587200).

Almost surely, 2^1268406370 is an apocalyptic number.

1268406370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1268406370 is an abundant number, since it is smaller than the sum of its proper divisors (1750755230).

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

1268406370 is a wasteful number, since it uses less digits than its factorization.

1268406370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1268406370 is about 35614.6931757105. The cubic root of 1268406370 is about 1082.4789791586.

The spelling of 1268406370 in words is "one billion, two hundred sixty-eight million, four hundred six thousand, three hundred seventy".