1366464426 has 32 divisors (see below), whose sum is σ = 2782080000. Its totient is φ = 447312240.

The previous prime is 1366464419. The next prime is 1366464433. The reversal of 1366464426 is 6244646631.

It is an interprime number because it is at equal distance from previous prime (1366464419) and next prime (1366464433).

It is a Curzon number.

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, 682575 + ... + 684573.

It is an arithmetic number, because the mean of its divisors is an integer number (86940000).

Almost surely, 2^1366464426 is an apocalyptic number.

1366464426 is an abundant number, since it is smaller than the sum of its proper divisors (1415615574).

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

1366464426 is a wasteful number, since it uses less digits than its factorization.

1366464426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994.

The product of its digits is 497664, while the sum is 42.

The square root of 1366464426 is about 36965.7196061432. The cubic root of 1366464426 is about 1109.6843043452.

The spelling of 1366464426 in words is "one billion, three hundred sixty-six million, four hundred sixty-four thousand, four hundred twenty-six".