1392556400180 has 72 divisors (see below), whose sum is σ = 3275037591336. Its totient is φ = 496829681920.

The previous prime is 1392556400159. The next prime is 1392556400203. The reversal of 1392556400180 is 810046552931.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29817691684 + 1362738708496 = 172678^2 + 1167364^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5300387 + ... + 5556906.

It is an arithmetic number, because the mean of its divisors is an integer number (45486633213).

Almost surely, 2^{1392556400180} is an apocalyptic number.

1392556400180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1392556400180 is an abundant number, since it is smaller than the sum of its proper divisors (1882481191156).

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

1392556400180 is a wasteful number, since it uses less digits than its factorization.

1392556400180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10857377 (or 10857364 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 1392556400180 in words is "one trillion, three hundred ninety-two billion, five hundred fifty-six million, four hundred thousand, one hundred eighty".