385238940356 has 48 divisors (see below), whose sum is σ = 708366481200. Its totient is φ = 183137710080.

The previous prime is 385238940349. The next prime is 385238940371. The reversal of 385238940356 is 653049832583.

It can be written as a sum of positive squares in 8 ways, for example, as 1602400900 + 383636539456 = 40030^2 + 619384^2 .

It is a super-2 number, since 2×385238940356² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1146380 + ... + 1443836.

It is an arithmetic number, because the mean of its divisors is an integer number (14757635025).

Almost surely, 2^385238940356 is an apocalyptic number.

It is an amenable number.

385238940356 is a deficient number, since it is larger than the sum of its proper divisors (323127540844).

385238940356 is a wasteful number, since it uses less digits than its factorization.

385238940356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297704 (or 297702 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 56.

The spelling of 385238940356 in words is "three hundred eighty-five billion, two hundred thirty-eight million, nine hundred forty thousand, three hundred fifty-six".