1400311232 has 28 divisors (see below), whose sum is σ = 2837870880. Its totient is φ = 685257216.

The previous prime is 1400311223. The next prime is 1400311249. The reversal of 1400311232 is 2321130041.

It is a self number, because there is not a number n which added to its sum of digits gives 1400311232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229757 + ... + 235772.

Almost surely, 2^1400311232 is an apocalyptic number.

It is an amenable number.

1400311232 is an abundant number, since it is smaller than the sum of its proper divisors (1437559648).

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

1400311232 is an equidigital number, since it uses as much as digits as its factorization.

1400311232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465588 (or 465578 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1400311232 is about 37420.7326491612. The cubic root of 1400311232 is about 1118.7718339860.

Adding to 1400311232 its reverse (2321130041), we get a palindrome (3721441273).

The spelling of 1400311232 in words is "one billion, four hundred million, three hundred eleven thousand, two hundred thirty-two".