340734440 has 32 divisors (see below), whose sum is σ = 779652000. Its totient is φ = 133982784.

The previous prime is 340734421. The next prime is 340734461. The reversal of 340734440 is 44437043.

It is a super-2 number, since 2×340734440² = 232199917204227200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69830 + ... + 74549.

It is an arithmetic number, because the mean of its divisors is an integer number (24364125).

Almost surely, 2^340734440 is an apocalyptic number.

It is an amenable number.

340734440 is an abundant number, since it is smaller than the sum of its proper divisors (438917560).

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

340734440 is a wasteful number, since it uses less digits than its factorization.

340734440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144449 (or 144445 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 340734440 is about 18458.9934720179. The cubic root of 340734440 is about 698.4553969443.

The spelling of 340734440 in words is "three hundred forty million, seven hundred thirty-four thousand, four hundred forty".