1365055040 has 28 divisors (see below), whose sum is σ = 3250538076. Its totient is φ = 546021888.

The previous prime is 1365055039. The next prime is 1365055049. The reversal of 1365055040 is 405505631.

It can be written as a sum of positive squares in 2 ways, for example, as 387617344 + 977437696 = 19688^2 + 31264^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1365054994 and 1365055012.

It is not an unprimeable number, because it can be changed into a prime (1365055049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2132579 + ... + 2133218.

Almost surely, 2^1365055040 is an apocalyptic number.

1365055040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1365055040 is an abundant number, since it is smaller than the sum of its proper divisors (1885483036).

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

1365055040 is an equidigital number, since it uses as much as digits as its factorization.

1365055040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4265814 (or 4265804 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1365055040 is about 36946.6512690934. The cubic root of 1365055040 is about 1109.3026596908.

The spelling of 1365055040 in words is "one billion, three hundred sixty-five million, fifty-five thousand, forty".