342429780 has 384 divisors, whose sum is σ = 1300561920. Its totient is φ = 65180160.

The previous prime is 342429757. The next prime is 342429781. The reversal of 342429780 is 87924243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342429781) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4125619 + ... + 4125701.

It is an arithmetic number, because the mean of its divisors is an integer number (3386880).

Almost surely, 2^342429780 is an apocalyptic number.

342429780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342429780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650280960).

342429780 is an abundant number, since it is smaller than the sum of its proper divisors (958132140).

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

342429780 is a wasteful number, since it uses less digits than its factorization.

342429780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 342429780 is about 18504.8582810029. The cubic root of 342429780 is about 699.6118800821.

The spelling of 342429780 in words is "three hundred forty-two million, four hundred twenty-nine thousand, seven hundred eighty".