1385412510 has 16 divisors (see below), whose sum is σ = 3324990096. Its totient is φ = 369443328.

The previous prime is 1385412503. The next prime is 1385412529. The reversal of 1385412510 is 152145831.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 46180417 = 1385412510 / (1 + 3 + 8 + 5 + 4 + 1 + 2 + 5 + 1 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23090179 + ... + 23090238.

It is an arithmetic number, because the mean of its divisors is an integer number (207811881).

Almost surely, 2^1385412510 is an apocalyptic number.

1385412510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1385412510 is an abundant number, since it is smaller than the sum of its proper divisors (1939577586).

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

1385412510 is a wasteful number, since it uses less digits than its factorization.

1385412510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46180427.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 1385412510 is about 37221.1298861279. The cubic root of 1385412510 is about 1114.7899246956.

The spelling of 1385412510 in words is "one billion, three hundred eighty-five million, four hundred twelve thousand, five hundred ten".