1366063040 has 56 divisors (see below), whose sum is σ = 3260780880. Its totient is φ = 545107968.

The previous prime is 1366063021. The next prime is 1366063057. The reversal of 1366063040 is 403606631.

It is a super-2 number, since 2×1366063040² = 3732256458508083200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1366062994 and 1366063012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133631 + ... + 143489.

It is an arithmetic number, because the mean of its divisors is an integer number (58228230).

Almost surely, 2^1366063040 is an apocalyptic number.

1366063040 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 1366063040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1630390440).

1366063040 is an abundant number, since it is smaller than the sum of its proper divisors (1894717840).

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

1366063040 is an equidigital number, since it uses as much as digits as its factorization.

1366063040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10309 (or 10299 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 1366063040 is about 36960.2900421520. The cubic root of 1366063040 is about 1109.5756406155.

Adding to 1366063040 its reverse (403606631), we get a palindrome (1769669671).

The spelling of 1366063040 in words is "one billion, three hundred sixty-six million, sixty-three thousand, forty".