1400234320 has 40 divisors (see below), whose sum is σ = 3274395336. Its totient is φ = 556850688.

The previous prime is 1400234299. The next prime is 1400234333. The reversal of 1400234320 is 234320041.

It can be written as a sum of positive squares in 4 ways, for example, as 903122704 + 497111616 = 30052^2 + 22296^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 36747 + ... + 64426.

Almost surely, 2^1400234320 is an apocalyptic number.

1400234320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400234320 is an abundant number, since it is smaller than the sum of its proper divisors (1874161016).

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

1400234320 is a wasteful number, since it uses less digits than its factorization.

1400234320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101359 (or 101353 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1400234320 is about 37419.7049694409. The cubic root of 1400234320 is about 1118.7513507885.

Adding to 1400234320 its reverse (234320041), we get a palindrome (1634554361).

The spelling of 1400234320 in words is "one billion, four hundred million, two hundred thirty-four thousand, three hundred twenty".