234071440 has 20 divisors (see below), whose sum is σ = 544216284. Its totient is φ = 93628544.

The previous prime is 234071407. The next prime is 234071443. The reversal of 234071440 is 44170432.

It can be written as a sum of positive squares in 2 ways, for example, as 24285184 + 209786256 = 4928^2 + 14484^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (234071443) 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, 1462867 + ... + 1463026.

Almost surely, 2^234071440 is an apocalyptic number.

234071440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234071440 is an abundant number, since it is smaller than the sum of its proper divisors (310144844).

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

234071440 is a wasteful number, since it uses less digits than its factorization.

234071440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925906 (or 2925900 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 234071440 is about 15299.3934520294. The cubic root of 234071440 is about 616.2867192825.

The spelling of 234071440 in words is "two hundred thirty-four million, seventy-one thousand, four hundred forty".