1380218466 has 32 divisors (see below), whose sum is σ = 3039545088. Its totient is φ = 414337040.

The previous prime is 1380218461. The next prime is 1380218467. The reversal of 1380218466 is 6648120831.

It is not an unprimeable number, because it can be changed into a prime (1380218461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90660 + ... + 104783.

It is an arithmetic number, because the mean of its divisors is an integer number (94985784).

Almost surely, 2^1380218466 is an apocalyptic number.

1380218466 is an abundant number, since it is smaller than the sum of its proper divisors (1659326622).

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

1380218466 is a wasteful number, since it uses less digits than its factorization.

1380218466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195566.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 1380218466 is about 37151.2915791632. The cubic root of 1380218466 is about 1113.3950286925.

The spelling of 1380218466 in words is "one billion, three hundred eighty million, two hundred eighteen thousand, four hundred sixty-six".