1400311445 has 16 divisors (see below), whose sum is σ = 1811389440. Its totient is φ = 1033072704.

The previous prime is 1400311441. The next prime is 1400311453. The reversal of 1400311445 is 5441130041.

It is a cyclic number.

It is not a de Polignac number, because 1400311445 - 2² = 1400311441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1400311445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400311441) 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 15 ways as a sum of consecutive naturals, for example, 60746 + ... + 80564.

It is an arithmetic number, because the mean of its divisors is an integer number (113211840).

Almost surely, 2^1400311445 is an apocalyptic number.

It is an amenable number.

1400311445 is a deficient number, since it is larger than the sum of its proper divisors (411077995).

1400311445 is a wasteful number, since it uses less digits than its factorization.

1400311445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20924.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1400311445 is about 37420.7354951770. The cubic root of 1400311445 is about 1118.7718907111.

Adding to 1400311445 its reverse (5441130041), we get a palindrome (6841441486).

The spelling of 1400311445 in words is "one billion, four hundred million, three hundred eleven thousand, four hundred forty-five".