1068407438 has 16 divisors (see below), whose sum is σ = 1876228704. Its totient is φ = 446720640.

The previous prime is 1068407437. The next prime is 1068407441. The reversal of 1068407438 is 8347048601.

It is a super-2 number, since 2×1068407438² = 2282988907147447688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 1068407395 and 1068407404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068407437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930095 + ... + 931242.

It is an arithmetic number, because the mean of its divisors is an integer number (117264294).

Almost surely, 2^1068407438 is an apocalyptic number.

1068407438 is a deficient number, since it is larger than the sum of its proper divisors (807821266).

1068407438 is a wasteful number, since it uses less digits than its factorization.

1068407438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861387.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 1068407438 is about 32686.5023824820. The cubic root of 1068407438 is about 1022.3014283923.

The spelling of 1068407438 in words is "one billion, sixty-eight million, four hundred seven thousand, four hundred thirty-eight".