1068936428 has 48 divisors (see below), whose sum is σ = 2287353600. Its totient is φ = 426876480.

The previous prime is 1068936413. The next prime is 1068936443. The reversal of 1068936428 is 8246398601.

It is an interprime number because it is at equal distance from previous prime (1068936413) and next prime (1068936443).

It is a super-2 number, since 2×1068936428² = 2285250174210798368, which contains 22 as substring.

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, 15983 + ... + 48921.

It is an arithmetic number, because the mean of its divisors is an integer number (47653200).

Almost surely, 2^1068936428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1068936428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1143676800).

1068936428 is an abundant number, since it is smaller than the sum of its proper divisors (1218417172).

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

1068936428 is a wasteful number, since it uses less digits than its factorization.

1068936428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33030 (or 33028 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 1068936428 is about 32694.5932533194. The cubic root of 1068936428 is about 1022.4701212169.

The spelling of 1068936428 in words is "one billion, sixty-eight million, nine hundred thirty-six thousand, four hundred twenty-eight".