340796640 has 192 divisors, whose sum is σ = 1139927040. Its totient is φ = 85432320.

The previous prime is 340796627. The next prime is 340796647. The reversal of 340796640 is 46697043.

It is a super-2 number, since 2×340796640² = 232284699670579200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340796647) 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, 550251 + ... + 550869.

It is an arithmetic number, because the mean of its divisors is an integer number (5937120).

Almost surely, 2^340796640 is an apocalyptic number.

340796640 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 340796640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569963520).

340796640 is an abundant number, since it is smaller than the sum of its proper divisors (799130400).

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

340796640 is a wasteful number, since it uses less digits than its factorization.

340796640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 340796640 is about 18460.6782107267. The cubic root of 340796640 is about 698.4978946368.

The spelling of 340796640 in words is "three hundred forty million, seven hundred ninety-six thousand, six hundred forty".