1400045320 has 16 divisors (see below), whose sum is σ = 3150102060. Its totient is φ = 560018112.

The previous prime is 1400045293. The next prime is 1400045321. The reversal of 1400045320 is 235400041.

It can be written as a sum of positive squares in 2 ways, for example, as 1233273924 + 166771396 = 35118^2 + 12914^2 .

It is not an unprimeable number, because it can be changed into a prime (1400045321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17500527 + ... + 17500606.

Almost surely, 2^1400045320 is an apocalyptic number.

1400045320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400045320 is an abundant number, since it is smaller than the sum of its proper divisors (1750056740).

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

1400045320 is a wasteful number, since it uses less digits than its factorization.

1400045320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35001144 (or 35001140 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1400045320 is about 37417.1794768125. The cubic root of 1400045320 is about 1118.7010131375.

Adding to 1400045320 its reverse (235400041), we get a palindrome (1635445361).

The spelling of 1400045320 in words is "one billion, four hundred million, forty-five thousand, three hundred twenty".