1078429440 has 288 divisors, whose sum is σ = 3806353152. Its totient is φ = 260198400.

The previous prime is 1078429439. The next prime is 1078429441. The reversal of 1078429440 is 449248701.

It is an interprime number because it is at equal distance from previous prime (1078429439) and next prime (1078429441).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078429441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5110935 + ... + 5111145.

It is an arithmetic number, because the mean of its divisors is an integer number (13216504).

Almost surely, 2^1078429440 is an apocalyptic number.

1078429440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1078429440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1903176576).

1078429440 is an abundant number, since it is smaller than the sum of its proper divisors (2727923712).

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

1078429440 is an equidigital number, since it uses as much as digits as its factorization.

1078429440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 1078429440 is about 32839.4494472730. The cubic root of 1078429440 is about 1025.4879897273.

The spelling of 1078429440 in words is "one billion, seventy-eight million, four hundred twenty-nine thousand, four hundred forty".