1385838550626 has 32 divisors (see below), whose sum is σ = 2783052131328. Its totient is φ = 460050786000.

The previous prime is 1385838550589. The next prime is 1385838550627. The reversal of 1385838550626 is 6260558385831.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1385838550626.

It is not an unprimeable number, because it can be changed into a prime (1385838550627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13694851 + ... + 13795673.

It is an arithmetic number, because the mean of its divisors is an integer number (86970379104).

Almost surely, 2^{1385838550626} is an apocalyptic number.

1385838550626 is an abundant number, since it is smaller than the sum of its proper divisors (1397213580702).

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

1385838550626 is a wasteful number, since it uses less digits than its factorization.

1385838550626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110206.

The product of its (nonzero) digits is 41472000, while the sum is 60.

The spelling of 1385838550626 in words is "one trillion, three hundred eighty-five billion, eight hundred thirty-eight million, five hundred fifty thousand, six hundred twenty-six".