350447780 has 96 divisors (see below), whose sum is σ = 818415360. Its totient is φ = 125452800.

The previous prime is 350447759. The next prime is 350447789. The reversal of 350447780 is 87744053.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (350447789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 882542 + ... + 882938.

It is an arithmetic number, because the mean of its divisors is an integer number (8525160).

Almost surely, 2^350447780 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 350447780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409207680).

350447780 is an abundant number, since it is smaller than the sum of its proper divisors (467967580).

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

350447780 is a wasteful number, since it uses less digits than its factorization.

350447780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 350447780 is about 18720.2505325116. The cubic root of 350447780 is about 705.0302822195.

It can be divided in two parts, 35044 and 7780, that added together give a palindrome (42824).

The spelling of 350447780 in words is "three hundred fifty million, four hundred forty-seven thousand, seven hundred eighty".