385268497432 has 128 divisors (see below), whose sum is σ = 900814602240. Its totient is φ = 150415211520.

The previous prime is 385268497421. The next prime is 385268497459. The reversal of 385268497432 is 234794862583.

It is a super-2 number, since 2×385268497432² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17648188 + ... + 17670004.

It is an arithmetic number, because the mean of its divisors is an integer number (7037614080).

Almost surely, 2^385268497432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385268497432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450407301120).

385268497432 is an abundant number, since it is smaller than the sum of its proper divisors (515546104808).

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

385268497432 is a wasteful number, since it uses less digits than its factorization.

385268497432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22161 (or 22157 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 61.

The spelling of 385268497432 in words is "three hundred eighty-five billion, two hundred sixty-eight million, four hundred ninety-seven thousand, four hundred thirty-two".