340041780 has 192 divisors, whose sum is σ = 1160006400. Its totient is φ = 82183680.

The previous prime is 340041761. The next prime is 340041829. The reversal of 340041780 is 87140043.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 413770 + ... + 414590.

It is an arithmetic number, because the mean of its divisors is an integer number (6041700).

Almost surely, 2^340041780 is an apocalyptic number.

340041780 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 340041780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580003200).

340041780 is an abundant number, since it is smaller than the sum of its proper divisors (819964620).

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

340041780 is a wasteful number, since it uses less digits than its factorization.

340041780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 340041780 is about 18440.2217990999. The cubic root of 340041780 is about 697.9817922306.

The spelling of 340041780 in words is "three hundred forty million, forty-one thousand, seven hundred eighty".