340622440 has 16 divisors (see below), whose sum is σ = 766400580. Its totient is φ = 136248960.

The previous prime is 340622423. The next prime is 340622441. The reversal of 340622440 is 44226043.

It can be written as a sum of positive squares in 2 ways, for example, as 339959844 + 662596 = 18438^2 + 814^2 .

It is not an unprimeable number, because it can be changed into a prime (340622441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4257741 + ... + 4257820.

Almost surely, 2^340622440 is an apocalyptic number.

It is an amenable number.

340622440 is an abundant number, since it is smaller than the sum of its proper divisors (425778140).

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

340622440 is a wasteful number, since it uses less digits than its factorization.

340622440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8515572 (or 8515568 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 340622440 is about 18455.9594711302. The cubic root of 340622440 is about 698.3788607253.

Adding to 340622440 its reverse (44226043), we get a palindrome (384848483).

The spelling of 340622440 in words is "three hundred forty million, six hundred twenty-two thousand, four hundred forty".