1068405450 has 96 divisors (see below), whose sum is σ = 3073565184. Its totient is φ = 240546240.

The previous prime is 1068405449. The next prime is 1068405461. The reversal of 1068405450 is 545048601.

It is a super-2 number, since 2×1068405450² = 2282980411179405000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62757 + ... + 77943.

It is an arithmetic number, because the mean of its divisors is an integer number (32016304).

Almost surely, 2^1068405450 is an apocalyptic number.

1068405450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1068405450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1536782592).

1068405450 is an abundant number, since it is smaller than the sum of its proper divisors (2005159734).

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

1068405450 is a wasteful number, since it uses less digits than its factorization.

1068405450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15276 (or 15271 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 1068405450 is about 32686.4719723619. The cubic root of 1068405450 is about 1022.3007943219.

The spelling of 1068405450 in words is "one billion, sixty-eight million, four hundred five thousand, four hundred fifty".