385480129580 has 288 divisors, whose sum is σ = 1099977423552. Its totient is φ = 112018636800.

The previous prime is 385480129571. The next prime is 385480129589. The reversal of 385480129580 is 85921084583.

It is an interprime number because it is at equal distance from previous prime (385480129571) and next prime (385480129589).

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (385480129589) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8858075 + ... + 8901485.

It is an arithmetic number, because the mean of its divisors is an integer number (3819366054).

Almost surely, 2^385480129580 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 385480129580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549988711776).

385480129580 is an abundant number, since it is smaller than the sum of its proper divisors (714497293972).

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

385480129580 is a wasteful number, since it uses less digits than its factorization.

385480129580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43505 (or 43496 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 53.

The spelling of 385480129580 in words is "three hundred eighty-five billion, four hundred eighty million, one hundred twenty-nine thousand, five hundred eighty".