340377780 has 96 divisors (see below), whose sum is σ = 1011548160. Its totient is φ = 85276800.

The previous prime is 340377773. The next prime is 340377781. The reversal of 340377780 is 87773043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340377781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143605 + ... + 145955.

It is an arithmetic number, because the mean of its divisors is an integer number (10536960).

Almost surely, 2^340377780 is an apocalyptic number.

340377780 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 340377780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505774080).

340377780 is an abundant number, since it is smaller than the sum of its proper divisors (671170380).

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

340377780 is a wasteful number, since it uses less digits than its factorization.

340377780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509 (or 2507 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 340377780 is about 18449.3300691380. The cubic root of 340377780 is about 698.2116117152.

The spelling of 340377780 in words is "three hundred forty million, three hundred seventy-seven thousand, seven hundred eighty".