1434685440 has 208 divisors, whose sum is σ = 4835966400. Its totient is φ = 362151936.

The previous prime is 1434685433. The next prime is 1434685451. The reversal of 1434685440 is 445864341.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1166746 + ... + 1167974.

Almost surely, 2^1434685440 is an apocalyptic number.

1434685440 is a gapful number since it is divisible by the number (10) 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 1434685440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2417983200).

1434685440 is an abundant number, since it is smaller than the sum of its proper divisors (3401280960).

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

1434685440 is a wasteful number, since it uses less digits than its factorization.

1434685440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The square root of 1434685440 is about 37877.2417158378. The cubic root of 1434685440 is about 1127.8523019734.

The spelling of 1434685440 in words is "one billion, four hundred thirty-four million, six hundred eighty-five thousand, four hundred forty".