1390302608880 has 80 divisors (see below), whose sum is σ = 4536776949120. Its totient is φ = 351234342144.

The previous prime is 1390302608857. The next prime is 1390302608887. The reversal of 1390302608880 is 888062030931.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390302608887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152440902 + ... + 152450021.

It is an arithmetic number, because the mean of its divisors is an integer number (56709711864).

Almost surely, 2^{1390302608880} is an apocalyptic number.

1390302608880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1390302608880 is an abundant number, since it is smaller than the sum of its proper divisors (3146474340240).

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

1390302608880 is a wasteful number, since it uses less digits than its factorization.

1390302608880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304890958 (or 304890952 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 1390302608880 in words is "one trillion, three hundred ninety billion, three hundred two million, six hundred eight thousand, eight hundred eighty".