1389061262220 has 48 divisors (see below), whose sum is σ = 3900389643360. Its totient is φ = 369366992896.

The previous prime is 1389061262219. The next prime is 1389061262273. The reversal of 1389061262220 is 222621609831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32770635 + ... + 32812994.

It is an arithmetic number, because the mean of its divisors is an integer number (81258117570).

Almost surely, 2^{1389061262220} is an apocalyptic number.

1389061262220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1389061262220 is an abundant number, since it is smaller than the sum of its proper divisors (2511328381140).

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

1389061262220 is a wasteful number, since it uses less digits than its factorization.

1389061262220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65583994 (or 65583992 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 1389061262220 in words is "one trillion, three hundred eighty-nine billion, sixty-one million, two hundred sixty-two thousand, two hundred twenty".