1070789440 has 112 divisors (see below), whose sum is σ = 2982114432. Its totient is φ = 358557696.

The previous prime is 1070789429. The next prime is 1070789459. The reversal of 1070789440 is 449870701.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×1070789440² = 2293180049631027200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1070789393 and 1070789402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90762 + ... + 101878.

Almost surely, 2^1070789440 is an apocalyptic number.

1070789440 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 1070789440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1491057216).

1070789440 is an abundant number, since it is smaller than the sum of its proper divisors (1911324992).

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

1070789440 is a wasteful number, since it uses less digits than its factorization.

1070789440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11184 (or 11174 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 1070789440 is about 32722.9191851827. The cubic root of 1070789440 is about 1023.0606008781.

The spelling of 1070789440 in words is "one billion, seventy million, seven hundred eighty-nine thousand, four hundred forty".