1400334400 has 42 divisors (see below), whose sum is σ = 3445701770. Its totient is φ = 560133120.

The previous prime is 1400334367. The next prime is 1400334407. The reversal of 1400334400 is 44330041.

It can be written as a sum of positive squares in 3 ways, for example, as 15303744 + 1385030656 = 3912^2 + 37216^2 .

It is not an unprimeable number, because it can be changed into a prime (1400334407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 436005 + ... + 439204.

Almost surely, 2^1400334400 is an apocalyptic number.

1400334400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400334400 is an abundant number, since it is smaller than the sum of its proper divisors (2045367370).

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

1400334400 is an equidigital number, since it uses as much as digits as its factorization.

1400334400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875231 (or 875216 counting only the distinct ones).

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

The square root of 1400334400 is about 37421.0422088963. The cubic root of 1400334400 is about 1118.7780039389.

Adding to 1400334400 its reverse (44330041), we get a palindrome (1444664441).

The spelling of 1400334400 in words is "one billion, four hundred million, three hundred thirty-four thousand, four hundred".