1065607340 has 48 divisors (see below), whose sum is σ = 2572299072. Its totient is φ = 363230976.

The previous prime is 1065607339. The next prime is 1065607393. The reversal of 1065607340 is 437065601.

It is a super-2 number, since 2×1065607340² = 2271038006123751200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1065607297 and 1065607306.

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, 2222 + ... + 46218.

It is an arithmetic number, because the mean of its divisors is an integer number (53589564).

Almost surely, 2^1065607340 is an apocalyptic number.

1065607340 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 1065607340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1286149536).

1065607340 is an abundant number, since it is smaller than the sum of its proper divisors (1506691732).

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

1065607340 is a wasteful number, since it uses less digits than its factorization.

1065607340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44186 (or 44184 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 1065607340 is about 32643.6416473408. The cubic root of 1065607340 is about 1021.4075594857.

The spelling of 1065607340 in words is "one billion, sixty-five million, six hundred seven thousand, three hundred forty".