385236793502500 has 45 divisors (see below), whose sum is σ = 842437966102117. Its totient is φ = 154094324852000.

The previous prime is 385236793502461. The next prime is 385236793502503. The reversal of 385236793502500 is 5205397632583.

The square root of 385236793502500 is 19627450.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 176815368273636 + 208421425228864 = 13297194^2 + 14436808^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385236793502503) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 981176226 + ... + 981568774.

Almost surely, 2^{385236793502500} is an apocalyptic number.

385236793502500 is the 19627450-th square number.

It is an amenable number.

385236793502500 is an abundant number, since it is smaller than the sum of its proper divisors (457201172599617).

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

385236793502500 is an frugal number, since it uses more digits than its factorization.

385236793502500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785122 (or 392556 counting only the distinct ones).

The product of its (nonzero) digits is 40824000, while the sum is 58.

The spelling of 385236793502500 in words is "three hundred eighty-five trillion, two hundred thirty-six billion, seven hundred ninety-three million, five hundred two thousand, five hundred".