1400334100 has 72 divisors (see below), whose sum is σ = 3320912448. Its totient is φ = 508300800.

The previous prime is 1400334097. The next prime is 1400334101. The reversal of 1400334100 is 14330041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400334101) 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 23 ways as a sum of consecutive naturals, for example, 1074049 + ... + 1075351.

It is an arithmetic number, because the mean of its divisors is an integer number (46123784).

Almost surely, 2^1400334100 is an apocalyptic number.

1400334100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400334100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1660456224).

1400334100 is an abundant number, since it is smaller than the sum of its proper divisors (1920578348).

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

1400334100 is a wasteful number, since it uses less digits than its factorization.

1400334100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305 (or 2298 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1400334100 is about 37421.0382004562. The cubic root of 1400334100 is about 1118.7779240453. Note that the first 3 decimals are identical.

Adding to 1400334100 its reverse (14330041), we get a palindrome (1414664141).

The spelling of 1400334100 in words is "one billion, four hundred million, three hundred thirty-four thousand, one hundred".