1388945025322 has 8 divisors (see below), whose sum is σ = 2114513322336. Its totient is φ = 684107251212.

The previous prime is 1388945025301. The next prime is 1388945025329. The reversal of 1388945025322 is 2235205498831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1388945025322.

It is not an unprimeable number, because it can be changed into a prime (1388945025329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5182630558 + ... + 5182630825.

It is an arithmetic number, because the mean of its divisors is an integer number (264314165292).

Almost surely, 2^{1388945025322} is an apocalyptic number.

1388945025322 is a deficient number, since it is larger than the sum of its proper divisors (725568297014).

1388945025322 is a wasteful number, since it uses less digits than its factorization.

1388945025322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10365261452.

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 1388945025322 in words is "one trillion, three hundred eighty-eight billion, nine hundred forty-five million, twenty-five thousand, three hundred twenty-two".