1385297018260 has 12 divisors (see below), whose sum is σ = 2909123738388. Its totient is φ = 554118807296.

The previous prime is 1385297018257. The next prime is 1385297018291. The reversal of 1385297018260 is 628107925831.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1004220443664 + 381076574596 = 1002108^2 + 617314^2 .

It is a super-3 number, since 3×1385297018260³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1385297018198 and 1385297018207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34632425437 + ... + 34632425476.

It is an arithmetic number, because the mean of its divisors is an integer number (242426978199).

Almost surely, 2^{1385297018260} is an apocalyptic number.

1385297018260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1385297018260 is an abundant number, since it is smaller than the sum of its proper divisors (1523826720128).

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

1385297018260 is a wasteful number, since it uses less digits than its factorization.

1385297018260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69264850922 (or 69264850920 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 1385297018260 in words is "one trillion, three hundred eighty-five billion, two hundred ninety-seven million, eighteen thousand, two hundred sixty".