1385500460 has 12 divisors (see below), whose sum is σ = 2909551008. Its totient is φ = 554200176.

The previous prime is 1385500423. The next prime is 1385500477. The reversal of 1385500460 is 640055831.

It is a happy number.

It is a super-2 number, since 2×1385500460² = 3839223049320423200, which contains 22 as substring.

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, 34637492 + ... + 34637531.

It is an arithmetic number, because the mean of its divisors is an integer number (242462584).

Almost surely, 2^1385500460 is an apocalyptic number.

1385500460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1385500460 is an abundant number, since it is smaller than the sum of its proper divisors (1524050548).

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

1385500460 is a wasteful number, since it uses less digits than its factorization.

1385500460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69275032 (or 69275030 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1385500460 is about 37222.3113199597. The cubic root of 1385500460 is about 1114.8135142278.

The spelling of 1385500460 in words is "one billion, three hundred eighty-five million, five hundred thousand, four hundred sixty".