1400313044 has 36 divisors (see below), whose sum is σ = 2667549276. Its totient is φ = 642889728.

The previous prime is 1400313041. The next prime is 1400313127. The reversal of 1400313044 is 4403130041.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 685392400 + 714920644 = 26180^2 + 26738^2 .

It is a super-3 number, since 3×1400313044³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400313041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125102 + ... + 135834.

It is an arithmetic number, because the mean of its divisors is an integer number (74098591).

Almost surely, 2^1400313044 is an apocalyptic number.

It is an amenable number.

1400313044 is a deficient number, since it is larger than the sum of its proper divisors (1267236232).

1400313044 is a wasteful number, since it uses less digits than its factorization.

1400313044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10956 (or 10941 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1400313044 is about 37420.7568603309. The cubic root of 1400313044 is about 1118.7723165487.

Adding to 1400313044 its reverse (4403130041), we get a palindrome (5803443085).

The spelling of 1400313044 in words is "one billion, four hundred million, three hundred thirteen thousand, forty-four".