340622940 has 96 divisors (see below), whose sum is σ = 1097510400. Its totient is φ = 77319936.

The previous prime is 340622921. The next prime is 340622941. The reversal of 340622940 is 49226043.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 340622898 and 340622907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340622941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59859 + ... + 65301.

It is an arithmetic number, because the mean of its divisors is an integer number (11432400).

Almost surely, 2^340622940 is an apocalyptic number.

340622940 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 340622940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548755200).

340622940 is an abundant number, since it is smaller than the sum of its proper divisors (756887460).

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

340622940 is a wasteful number, since it uses less digits than its factorization.

340622940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611 (or 5609 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 340622940 is about 18455.9730168853. The cubic root of 340622940 is about 698.3792024421.

Adding to 340622940 its reverse (49226043), we get a palindrome (389848983).

The spelling of 340622940 in words is "three hundred forty million, six hundred twenty-two thousand, nine hundred forty".